| Mainz to Bombarral | 1,127.33 mi (1,814.27 km) |
| Mainz to Bougado | 1,004.71 mi (1,616.93 km) |
| Mainz to Braga | 989.51 mi (1,592.46 km) |
| Mainz to Braganca | 914.31 mi (1,471.44 km) |
| Mainz to Cabeceiras de Basto | 974.80 mi (1,568.78 km) |
| Mainz to Cacem | 1,158.14 mi (1,863.85 km) |
| Mainz to Cadaval | 1,127.06 mi (1,813.83 km) |
| Mainz to Caldas da Rainha | 1,119.63 mi (1,801.88 km) |
| Mainz to Calheta | 1,762.12 mi (2,835.86 km) |
| Mainz to Camara de Lobos | 1,756.75 mi (2,827.22 km) |
| Mainz to Canico | 1,754.90 mi (2,824.24 km) |
| Mainz to Cantanhede | 1,053.17 mi (1,694.91 km) |
| Mainz to Carregal do Sal | 1,026.84 mi (1,652.53 km) |
| Mainz to Cartaxo | 1,119.76 mi (1,802.08 km) |
| Mainz to Cascais | 1,165.68 mi (1,875.98 km) |
