| Rockville Centre to Benavente | 3,361.99 mi (5,410.59 km) |
| Rockville Centre to Bombarral | 3,336.18 mi (5,369.06 km) |
| Rockville Centre to Bougado | 3,309.85 mi (5,326.69 km) |
| Rockville Centre to Braga | 3,311.02 mi (5,328.57 km) |
| Rockville Centre to Braganca | 3,383.75 mi (5,445.62 km) |
| Rockville Centre to Cabeceiras de Basto | 3,330.80 mi (5,360.40 km) |
| Rockville Centre to Cacem | 3,342.48 mi (5,379.19 km) |
| Rockville Centre to Cadaval | 3,339.85 mi (5,374.97 km) |
| Rockville Centre to Caldas da Rainha | 3,333.31 mi (5,364.44 km) |
| Rockville Centre to Calheta | 3,122.39 mi (5,024.99 km) |
| Rockville Centre to Camara de Lobos | 3,133.07 mi (5,042.18 km) |
| Rockville Centre to Canico | 3,141.38 mi (5,055.56 km) |
| Rockville Centre to Cantanhede | 3,334.27 mi (5,365.98 km) |
| Rockville Centre to Carregal do Sal | 3,360.72 mi (5,408.56 km) |
| Rockville Centre to Cartaxo | 3,357.69 mi (5,403.69 km) |