| Cayce to Benavente | 3,923.01 mi (6,313.47 km) |
| Cayce to Bombarral | 3,898.21 mi (6,273.57 km) |
| Cayce to Bougado | 3,883.07 mi (6,249.20 km) |
| Cayce to Braga | 3,885.42 mi (6,252.99 km) |
| Cayce to Braganca | 3,961.40 mi (6,375.25 km) |
| Cayce to Cabeceiras de Basto | 3,905.64 mi (6,285.51 km) |
| Cayce to Cacem | 3,901.63 mi (6,279.07 km) |
| Cayce to Cadaval | 3,901.79 mi (6,279.32 km) |
| Cayce to Caldas da Rainha | 3,896.10 mi (6,270.17 km) |
| Cayce to Calheta | 3,625.38 mi (5,834.49 km) |
| Cayce to Camara de Lobos | 3,636.36 mi (5,852.15 km) |
| Cayce to Canico | 3,644.62 mi (5,865.44 km) |
| Cayce to Cantanhede | 3,902.63 mi (6,280.68 km) |
| Cayce to Carregal do Sal | 3,930.36 mi (6,325.30 km) |
| Cayce to Cartaxo | 3,919.70 mi (6,308.15 km) |
