| Serris to Bombarral | 886.93 mi (1,427.38 km) |
| Serris to Bougado | 757.52 mi (1,219.11 km) |
| Serris to Braga | 741.84 mi (1,193.88 km) |
| Serris to Braganca | 671.45 mi (1,080.60 km) |
| Serris to Cabeceiras de Basto | 728.52 mi (1,172.44 km) |
| Serris to Cacem | 919.26 mi (1,479.41 km) |
| Serris to Cadaval | 887.03 mi (1,427.54 km) |
| Serris to Caldas da Rainha | 878.72 mi (1,414.16 km) |
| Serris to Calheta | 1,517.67 mi (2,442.46 km) |
| Serris to Camara de Lobos | 1,512.83 mi (2,434.67 km) |
| Serris to Canico | 1,511.42 mi (2,432.39 km) |
| Serris to Cantanhede | 810.19 mi (1,303.87 km) |
| Serris to Carregal do Sal | 785.77 mi (1,264.58 km) |
| Serris to Cartaxo | 881.38 mi (1,418.44 km) |
| Serris to Cascais | 926.66 mi (1,491.32 km) |
