Guinea-Bissau
total: 724 km
border countries: Guinea 386 km, Senegal 338 km
Guyana
total: 2,462 km
border countries: Brazil 1,119 km, Suriname 600 km, Venezuela 743 km
Haiti
total: 360 km
border countries: Dominican Republic 360 km
Heard Island and McDonald Islands
0 km
Holy See (Vatican City)
total: 3.2 km
border countries: Italy 3.2 km
Honduras
total: 1,520 km
border countries: Guatemala 256 km, El Salvador 342 km, Nicaragua
922 km
Hong Kong total: 30 km border countries: China 30 km
Howland Island
0 km
Hungary
total: 2,171 km
border countries: Austria 366 km, Croatia 329 km, Romania 443 km,
Serbia and Montenegro 151 km, Slovakia 677 km, Slovenia 102 km,
Ukraine 103 km
Iceland
0 km