| Rank | Country | | Land boundaries |
20 | Chad | 5,968 | |
21 | Burma | 5,876 | |
22 | Niger | 5,697 | |
23 | Zambia | 5,664 | |
24 | Afghanistan | 5,529 | |
25 | Congo, Republic of the | 5,504 | |
26 | Iran | 5,440 | |
27 | South Sudan | 5,413 | |
28 | Ethiopia | 5,328 | |
29 | Central African Republic | 5,203 | |
30 | Angola | 5,198 | |
31 | Laos | 5,083 | |
32 | Mauritania | 5,074 | |
33 | Venezuela | 4,993 | |
34 | Thailand | 4,863 | |
35 | South Africa | 4,862 | |
36 | Vietnam | 4,639 | |
37 | Cameroon | 4,591 | |
38 | Mozambique | 4,571 | |
39 | Ukraine | 4,566 | |
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This page was last updated on 2 February, 2012 |
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