| Glen Burnie to Benavente | 3,546.62 mi (5,707.73 km) |
| Glen Burnie to Bombarral | 3,520.96 mi (5,666.44 km) |
| Glen Burnie to Bougado | 3,496.25 mi (5,626.68 km) |
| Glen Burnie to Braga | 3,497.58 mi (5,628.81 km) |
| Glen Burnie to Braganca | 3,570.74 mi (5,746.55 km) |
| Glen Burnie to Cabeceiras de Basto | 3,517.42 mi (5,660.74 km) |
| Glen Burnie to Cacem | 3,526.80 mi (5,675.84 km) |
| Glen Burnie to Cadaval | 3,524.62 mi (5,672.33 km) |
| Glen Burnie to Caldas da Rainha | 3,518.21 mi (5,662.01 km) |
| Glen Burnie to Calheta | 3,295.65 mi (5,303.84 km) |
| Glen Burnie to Camara de Lobos | 3,306.41 mi (5,321.15 km) |
| Glen Burnie to Canico | 3,314.72 mi (5,334.53 km) |
| Glen Burnie to Cantanhede | 3,520.00 mi (5,664.89 km) |
| Glen Burnie to Carregal do Sal | 3,546.65 mi (5,707.78 km) |
| Glen Burnie to Cartaxo | 3,542.48 mi (5,701.07 km) |
