| Mount Washington to Benavente | 4,017.13 mi (6,464.95 km) |
| Mount Washington to Bombarral | 3,991.01 mi (6,422.91 km) |
| Mount Washington to Bougado | 3,959.78 mi (6,372.65 km) |
| Mount Washington to Braga | 3,960.30 mi (6,373.49 km) |
| Mount Washington to Braganca | 4,030.95 mi (6,487.19 km) |
| Mount Washington to Cabeceiras de Basto | 3,979.79 mi (6,404.86 km) |
| Mount Washington to Cacem | 3,998.28 mi (6,434.61 km) |
| Mount Washington to Cadaval | 3,994.71 mi (6,428.86 km) |
| Mount Washington to Caldas da Rainha | 3,987.87 mi (6,417.85 km) |
| Mount Washington to Calheta | 3,782.74 mi (6,087.73 km) |
| Mount Washington to Camara de Lobos | 3,793.45 mi (6,104.97 km) |
| Mount Washington to Canico | 3,801.77 mi (6,118.36 km) |
| Mount Washington to Cantanhede | 3,986.53 mi (6,415.70 km) |
| Mount Washington to Carregal do Sal | 4,012.35 mi (6,457.26 km) |
| Mount Washington to Cartaxo | 4,012.50 mi (6,457.50 km) |
