| Coastline vs. Borders (km) | Country | Ratio |
| 7,314 - - 125 | |
| 12,429 - - 360 | |
| 202,080 - - 8,893 | |
| 54,716 - - 2,830 | |
| 13,676 - - 1,228 | |
| 2,413 - - 238 | |
| 25,148 - - 2,551 | |
| 563 - - 60 | |
| 5,152 - - 820 | |
| 3,794 - - 633 | |
| 1,771 - - 360 | |
| 2,490 - - 555 | |
| 1,448 - - 360 | |
| 7,600 - - 1,932 | |
| 1,288 - - 360 | |
| 706 - - 228 | |
| 7,200 - - 2,648 | |
| 5,835 - - 2,197 | |
| | Coastline vs. Borders (km) | Country | Ratio |
| 4,964 - - 1918 | |
| 9,330 - - 4,353 | |
| 1,290 - - 639 | |
| 37,653 - - 20,017 | |
| 19,924 - - 12,034 | |
| 2,092 - - 1,374 | |
| 1,318 - - 867 | |
| 2,495 - - 1,673 | |
| 4,675 - - 3,147 | |
| 1,793 - - 1,214 | |
| 3,218 - - 2,233 | |
| 2,234 - - 1,626 | |
| 3,025 - - 2,340 | |
| 4,853 - - 4,072 | |
| 2,237 - - 2,010 | |
| 1,906 - - 1,746 | |
| 499 - - 462 | |
| 6,435 - - 6,171 | |
| 2,450 - - 2,665 | |
| 1,835 - - 2,018 | |
| 4 - - 4.4 | |
| 1,148 - - 1,424 | |
| 386 - - 516 | |
| 3,444 - - 4,639 | |
| 910 - - 1,231 | |
| 3,219 - - 4,863 | |
| 2,389 - - 3,621 | |
| 314 - - 516 | |
| 2,782 - - 4,663 | |
| 2,640 - - 4,431 | |
| 2,798 - - 4,862 | |
| 307 - - 545 | |
| 2,800 - - 4,993 | |
| 296 - - 539 | |
| 2,470 - - 4,571 | |
| 820 - - 1,520 | |
| 3,208 - - 6,004 | |
| 4,989 - - 9,665 | |
| 7,491 - - 14,691 | |
| 362 - - 720 | |
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