Poland
total: 3,047 km
border countries: Belarus 605 km, Czech Republic 615 km, Germany 456
km, Lithuania 91 km, Russia (Kaliningrad Oblast) 432 km, Slovakia
420 km, Ukraine 428 km
Portugal total: 1,214 km border countries: Spain 1,214 km
Puerto Rico 0 km
Qatar total: 60 km border countries: Saudi Arabia 60 km
Romania
total: 2,508 km
border countries: Bulgaria 608 km, Hungary 443 km, Moldova 450 km,
Serbia 476 km, Ukraine (north) 362 km, Ukraine (east) 169 km
Russia
total: 20,241.5 km
border countries: Azerbaijan 284 km, Belarus 959 km, China
(southeast) 3,605 km, China (south) 40 km, Estonia 290 km, Finland
1,313 km, Georgia 723 km, Kazakhstan 6,846 km, North Korea 17.5 km,
Latvia 292 km, Lithuania (Kaliningrad Oblast) 227 km, Mongolia 3,441
km, Norway 196 km, Poland (Kaliningrad Oblast) 432 km, Ukraine 1,576
km
Rwanda
total: 893 km
border countries: Burundi 290 km, Democratic Republic of the Congo
217 km, Tanzania 217 km, Uganda 169 km
Saint Barthelemy
0 km
Saint Helena
0 km
Saint Kitts and Nevis
0 km