| Srem to Bombarral | 1,529.30 mi (2,461.17 km) |
| Srem to Bougado | 1,409.90 mi (2,269.01 km) |
| Srem to Braga | 1,394.87 mi (2,244.83 km) |
| Srem to Braganca | 1,318.12 mi (2,121.31 km) |
| Srem to Cabeceiras de Basto | 1,379.72 mi (2,220.44 km) |
| Srem to Cacem | 1,559.22 mi (2,509.32 km) |
| Srem to Cadaval | 1,528.85 mi (2,460.44 km) |
| Srem to Caldas da Rainha | 1,521.89 mi (2,449.24 km) |
| Srem to Calheta | 2,164.95 mi (3,484.15 km) |
| Srem to Camara de Lobos | 2,159.29 mi (3,475.04 km) |
| Srem to Canico | 2,157.18 mi (3,471.65 km) |
| Srem to Cantanhede | 1,456.59 mi (2,344.15 km) |
| Srem to Carregal do Sal | 1,429.48 mi (2,300.53 km) |
| Srem to Cartaxo | 1,520.73 mi (2,447.37 km) |
| Srem to Cascais | 1,566.80 mi (2,521.52 km) |
