Czech Republic
total: 1,989 km
border countries: Austria 362 km, Germany 815 km, Poland 615 km,
Slovakia 197 km
Denmark
total: 68 km
border countries: Germany 68 km
Dhekelia
total: 103 km (approximately)
border countries: Cyprus 103 km (approximately)
Djibouti
total: 516 km
border countries: Eritrea 109 km, Ethiopia 349 km, Somalia 58 km
Dominica
0 km
Dominican Republic
total: 360 km
border countries: Haiti 360 km
Ecuador
total: 2,010 km
border countries: Colombia 590 km, Peru 1,420 km
Egypt
total: 2,665 km
border countries: Gaza Strip 11 km, Israel 266 km, Libya 1,115 km,
Sudan 1,273 km
El Salvador
total: 545 km
border countries: Guatemala 203 km, Honduras 342 km
Equatorial Guinea
total: 539 km
border countries: Cameroon 189 km, Gabon 350 km