United Arab Emirates: total: 867 km
border countries: Oman 410 km, Saudi Arabia 457 km
United Kingdom: total: 360 km
border countries: Ireland 360 km
United States:
total: 12,248 km
border countries: Canada 8,893 km (including 2,477 km with Alaska),
Cuba 29 km (US Naval Base at Guantanamo Bay), Mexico 3,326 km
note: Guantanamo Naval Base is leased by the US and thus remains
part of Cuba
Uruguay:
total: 1,564 km
border countries: Argentina 579 km, Brazil 985 km
Uzbekistan:
total: 6,221 km