Can you name the countries that share the world's longest borders (by land)?

created by Booger

Enter a country in the box below
Correctly named countries will show up below
Answers do not have to be guessed in order
Note: Answers may be entered by naming both countries in either order. Borders need not be contiguous
Source: CIA World Factbook
Also try: Most Land Borders

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Rank	Bordering Nations	Border Length
1		8,893 km
2		6,846 km
3		5,308 km
4		4,677 km
5		4,053 km
6		3,645 km
7		3,543 km
8		3,423 km
9		3,380 km
10		3,141 km
11		2,995 km
12		2,912 km
13		2,511 km
14		2,430 km
15		2,410 km

Rank	Bordering Nations	Border Length
16		2,237 km
17		2,203 km
18		2,200 km
19		2,185 km
20		2,130 km
21		2,050 km
22		1,930 km
23		1,903 km
24		1,880 km
25		1,840 km
26		1,800 km
26		1,800 km
28		1,782 km
29		1,754 km
30		1,690 km

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There are 113 comments for this game.
(Warning: comments may contain spoilers)

World's Longest Borders Quiz

by Booger

Created May 6, 2009 in Geography
Featured May 6, 2009
Game Plays 163,763

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	Babomomebeo:	May 6th, 2009 at 04:29 GMT		53 points
	I was considering guessing Democratic Republic of Congo and every surrounding country, but I didn't have the typing endurance. by the way, longest thing I have ever typed as a sporcle answer: "democratic republic of the congo and central african republic"

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	Tice:	May 6th, 2009 at 04:30 GMT		42 points
	you can just type DRC for democratic republic of the congo and CAR for central african republic (except on the countries of africa quiz).

	MovieDynamic:	May 6th, 2009 at 04:31 GMT		7 points
	Sweet idea. Love it.

	Txagsforever:	May 6th, 2009 at 04:32 GMT		120 points
	I am surprised about Norway and Sweden. I would have thought they would have made the list.

	josh23:	May 6th, 2009 at 04:32 GMT		17 points
	wow that was hard, great idea though.

	motrain24:	May 6th, 2009 at 04:34 GMT		-4 points
	I know it's my fault for not realizing I was misspelling it b4, but Kazakstan (w/o the "h") is accepted for the Countries of the World quiz but not this one...

	Kevin:	May 6th, 2009 at 04:38 GMT		26 points
	I too was surprised about Norway and Sweden. Quiz was awesome though, very challenging!

	cls121389:	May 6th, 2009 at 04:44 GMT		15 points
	Per wiki, Norway and Sweden have a 1,619 km border, just missing this list...

	nearlyextinct:	May 6th, 2009 at 04:46 GMT		5 points
	Great quiz and good job. Coding all those combinations must have been a pain.

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	ku_sucks:	May 6th, 2009 at 04:58 GMT		13 points
	@foghorn: agreed. i typed "drc republic of the congo" and it didn't take. i really do like the idea of this quiz, though. it is challenging enough yet not impossible.

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	jkatsalis:	May 6th, 2009 at 05:09 GMT		2 points
	Sweden and Norway certainly makes you rethink geography. I got 20 and ditto on being lazy about the Congos. I knew they had long borders, but I couldn't bring myself to try.

	nhrafan:	May 6th, 2009 at 05:11 GMT		7 points
	I'm happy to see that I'm not the only one with DRC issues. Aside from this minor flaw, awesome quiz! Way to think outside the box when making a new geography quiz.

	capncokenojoke:	May 6th, 2009 at 05:26 GMT		10 points
	must have taken forever to measure all these out booger..

	d3s:	May 6th, 2009 at 06:23 GMT		7 points
	one of the best quizzes ever

	jme:	May 6th, 2009 at 06:24 GMT		5 points
	One of the best quizzes on this site! Very challenging but doable, and I consider myself a hero for getting "Democratic Republic of the Congo and Republic of the Congo". Can't believe how many I missed in South America while wasting all that time on the *stans.

	debbiedoesnothin:	May 6th, 2009 at 06:28 GMT		3 points
	Love the quiz. Harder than I thought it'd be.

	marpocky:	May 6th, 2009 at 06:57 GMT		21 points
	Since it accepted "DRC Zambia" I moved on when it didn't accept "DRC Rep Congo", which are accepted abbreviations for those countries on all the other quizzes. Boo to that.

	HollywoodLeo:	May 6th, 2009 at 07:37 GMT		4 points
	it accepted dem rep congo rep congo

	davidr:	May 6th, 2009 at 07:37 GMT		17 points
	Nice idea for a quiz. Unfortunately, it suffers all the same problems that the coastline quiz does: there's no guarantee that the CIA has measured the borders at the same scale. This is especially relevant as the whole idea that borders and coastlines are fractal came about after somebody noticed that Spain claimed its border with Portugal was about 1,000 km but Portugal claimed that its border with Spain was about 1,200 km.

	CarmineClash:	May 6th, 2009 at 07:39 GMT		6 points
	Love this one. I really enjoy the "quirky" geography quizzes.

	Bojan:	May 6th, 2009 at 07:40 GMT		5 points
	18/30. Good quiz, not just blind guessing like some others. I am also missing NOrway and Swedenm but I guess European countries are small then compared to some others...

	darko:	May 6th, 2009 at 07:51 GMT		6 points
	30 longest borders - 15 asian, 0 european. nice quiz.

	darth_shrimper:	May 6th, 2009 at 07:53 GMT		10 points
	That's brutal. Good quiz. Damn you Dem Rep Congo. Damn yooooouuuuu!

	OscilatingGibbon:	May 6th, 2009 at 08:22 GMT		16 points
	I spent a lot of time trying to accurately write in "Kazakhstan and Kyrgyzstan" only to find it wasn't there anyway :-(

	Aidan27:	May 6th, 2009 at 11:38 GMT		24 points
	I got Gabon-Democratic Republic of Congo and not China-Russia!? Slams head on desk.

	davidr:	May 6th, 2009 at 12:18 GMT		5 points
	@Bojan: Yes, most European countries are fairly small and, not only that, but their borders are spread between several neighbours. For example, Austria is a pretty small country and its border is shared between Germany, Switzerland, Liechtenstein, Italy, Slovenia, Hungary, Slovakia and the Czech Republic.

	ArtVandaley:	May 6th, 2009 at 12:23 GMT		5 points
	I think I typed Germany and Poland 10 times, as well as Sweden and Norway.

	ph3r:	May 6th, 2009 at 12:23 GMT		1 point
	This quiz is awesome. Really makes you think. Had 28/30, picked the wrong Botswana border (Namibia) and figured SA was shorter, and Peru/Col just blanked. I think I might have tried Norway/Sweden about six times at different points.

	Booger:	May 6th, 2009 at 12:47 GMT		14 points
	The problem with the "Democratic Republic of the Congo" and "Republic of the Congo" iterations is due to the fact that there is a limit on the number of characters one can use for acceptable alternate answers. As a result, it is impossible to include all the possible acceptable answers for these countries without running out of room. Believe me, I tried!

	procrstinologist:	May 6th, 2009 at 13:30 GMT		2 points
	This test is the varsity version of naming the countries in the world since I kept trying to picture that quiz when thinking of longest borders. I also fell victim to typing in Sweden and Norway 10 times. Great quiz

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	GPB:	May 6th, 2009 at 15:20 GMT		9 points
	While I loved the quiz, Tice's comment regarding DRC and CAR made me think of a need for a list of accepted Sporcle acronyms for geography quizzes.

	Kicking222:	May 6th, 2009 at 15:55 GMT		4 points
	Loved loved loved this one. Great idea for a quiz, and well put-together. Bravo, Booger.

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	ianbob:	May 6th, 2009 at 16:14 GMT		3 points
	More geography quizzes! They never get old. I didn't do so well on this one, but great idea nonetheless.

	AtomicIce:	May 6th, 2009 at 16:17 GMT		13 points
	Great quiz. Harder than I thought. I too was surprised Norway-Sweden didn't make the list, as well as Nigeria-Cameroon and Turkmenistan-Uzbekistan (to name a few). For me, the hardest one was Congo-Gabon (also seems to be the hardest for everyone overall too). Also surprised how high up the India-Bangladesh border ranked. I know Bang. is nearly surrounded by India and it's a twisty border, but DAMN!