| Marlborough to Benavente | 3,221.48 mi (5,184.47 km) |
| Marlborough to Bombarral | 3,195.39 mi (5,142.48 km) |
| Marlborough to Bougado | 3,165.58 mi (5,094.51 km) |
| Marlborough to Braga | 3,166.37 mi (5,095.78 km) |
| Marlborough to Braganca | 3,238.00 mi (5,211.06 km) |
| Marlborough to Cabeceiras de Basto | 3,185.99 mi (5,127.36 km) |
| Marlborough to Cacem | 3,202.58 mi (5,154.05 km) |
| Marlborough to Cadaval | 3,199.09 mi (5,148.44 km) |
| Marlborough to Caldas da Rainha | 3,192.29 mi (5,137.49 km) |
| Marlborough to Calheta | 3,000.32 mi (4,828.55 km) |
| Marlborough to Camara de Lobos | 3,010.88 mi (4,845.55 km) |
| Marlborough to Canico | 3,019.19 mi (4,858.91 km) |
| Marlborough to Cantanhede | 3,191.50 mi (5,136.22 km) |
| Marlborough to Carregal do Sal | 3,217.52 mi (5,178.11 km) |
| Marlborough to Cartaxo | 3,216.89 mi (5,177.08 km) |
