| Watertown Town to Benavente | 3,203.10 mi (5,154.89 km) |
| Watertown Town to Bombarral | 3,177.03 mi (5,112.93 km) |
| Watertown Town to Bougado | 3,147.47 mi (5,065.36 km) |
| Watertown Town to Braga | 3,148.29 mi (5,066.68 km) |
| Watertown Town to Braganca | 3,220.02 mi (5,182.12 km) |
| Watertown Town to Cabeceiras de Basto | 3,167.93 mi (5,098.28 km) |
| Watertown Town to Cacem | 3,184.16 mi (5,124.41 km) |
| Watertown Town to Cadaval | 3,180.72 mi (5,118.88 km) |
| Watertown Town to Caldas da Rainha | 3,173.94 mi (5,107.96 km) |
| Watertown Town to Calheta | 2,981.41 mi (4,798.12 km) |
| Watertown Town to Camara de Lobos | 2,991.97 mi (4,815.12 km) |
| Watertown Town to Canico | 3,000.28 mi (4,828.49 km) |
| Watertown Town to Cantanhede | 3,173.27 mi (5,106.88 km) |
| Watertown Town to Carregal do Sal | 3,199.33 mi (5,148.82 km) |
| Watertown Town to Cartaxo | 3,198.52 mi (5,147.53 km) |
