| Rank | Country | Land boundaries |
| Mauritius | 0 km |
| Mayotte | 0 km |
40 | Mexico | total: 4,353 km border countries: Belize 250 km, Guatemala 962 km, US 3,141 km |
| Micronesia, Federated States of | 0 km |
108 | Moldova | total: 1,389 km border countries: Romania 450 km, Ukraine 939 km |
164 | Monaco | total: 4.4 km border countries: France 4.4 km |
10 | Mongolia | total: 8,220 km border countries: China 4,677 km, Russia 3,543 km |
133 | Montenegro |  total: 625 km border countries: Albania 172 km, Bosnia and Herzegovina 225 km, Croatia 25 km, Kosovo 79 km, Serbia 124 km |
| Montserrat | 0 km |
85 | Morocco | total: 2,017.9 km border countries: Algeria 1,559 km, Western Sahara 443 km, Spain (Ceuta) 6.3 km, Spain (Melilla) 9.6 km |
38 | Mozambique | total: 4,571 km border countries: Malawi 1,569 km, South Africa 491 km, Swaziland 105 km, Tanzania 756 km, Zambia 419 km, Zimbabwe 1,231 km |
46 | Namibia | total: 3,936 km border countries: Angola 1,376 km, Botswana 1,360 km, South Africa 967 km, Zambia 233 km |
| Nauru | 0 km |
| Navassa Island | 0 km |
61 | Nepal | total: 2,926 km border countries: China 1,236 km, India 1,690 km |
118 | Netherlands | total: 1,027 km border countries: Belgium 450 km, Germany 577 km |
162 | Netherlands Antilles | total: 15 km border countries: Saint Martin 15 km |
| New Caledonia | 0 km |
| New Zealand | 0 km |
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This page was last updated on 4 May, 2008 |
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