border countries: Austria 362 km, Germany 646 km, Poland 658 km,
Slovakia 215 km
Denmark:
total: 68 km
border countries: Germany 68 km
Djibouti: total: 508 km
border countries: Eritrea 113 km, Ethiopia 337 km, Somalia 58 km
Dominica:
0 km
Dominican Republic:
total: 275 km
border countries: Haiti 275 km
Ecuador: total: 2,010 km
border countries: Colombia 590 km, Peru 1,420 km