| Two Countries | Number of Countries between Them |
| IRELAND and UNITED KINGDOM: 106 or 124 | |
| DENMARK and GERMANY: 11 or 16 | |
| BOLIVIA and BRAZIL: 2 or 4 | |
| ARGENTINA and PARAGUAY: 126 or 140 | |
| MEXICO and UNITED STATES OF AMERICA: 60 or 76 | |
| BELIZE and GUATEMALA: 40 or 48 | |
| PORTUGAL and SPAIN: 24 or 30 | |
| CAMEROON and CHAD: 1 or 3 | |
| SOUTH SUDAN and SUDAN: 2 or 4 | |
| GHANA and TOGO: 111 or 131 | |
| BANGLADESH and CHINA: 15 or 21 | |
| TURKMENISTAN and UZBEKISTAN: 5 or 7 | |
| OMAN and SAUDI ARABIA: 15 or 20 | |
| RWANDA and TANZANIA: 25 or 29 | |
| NORTH KOREA and SOUTH KOREA: 33 or 38 | |
| DOMINICAN REPUBLIC and HAITI: 17 or 21 | |
| IRELAND and UNITED KINGDOM: 106 or 124 | |
| DENMARK and GERMANY: 11 or 16 | |
| BOLIVIA and BRAZIL: 2 or 4 | |
| ARGENTINA and PARAGUAY: 126 or 140 | |
| MEXICO and UNITED STATES OF AMERICA: 60 or 76 | |
| BELIZE and GUATEMALA: 40 or 48 | |
| PORTUGAL and SPAIN: 24 or 30 | |
| CAMEROON and CHAD: 1 or 3 | |
| SOUTH SUDAN and SUDAN: 2 or 4 | |
| GHANA and TOGO: 111 or 131 | |
| BANGLADESH and CHINA: 15 or 21 | |
| TURKMENISTAN and UZBEKISTAN: 5 or 7 | |
| OMAN and SAUDI ARABIA: 15 or 20 | |
| RWANDA and TANZANIA: 25 or 29 | |
| NORTH KOREA and SOUTH KOREA: 33 or 38 | |
| DOMINICAN REPUBLIC and HAITI: 17 or 21 | |