| Sion to Benavente | 960.66 mi (1,546.03 km) |
| Sion to Bombarral | 963.82 mi (1,551.12 km) |
| Sion to Bougado | 861.46 mi (1,386.39 km) |
| Sion to Braga | 848.17 mi (1,365.00 km) |
| Sion to Braganca | 764.18 mi (1,229.82 km) |
| Sion to Cabeceiras de Basto | 830.30 mi (1,336.24 km) |
| Sion to Cacem | 990.68 mi (1,594.34 km) |
| Sion to Cadaval | 962.80 mi (1,549.48 km) |
| Sion to Caldas da Rainha | 957.44 mi (1,540.85 km) |
| Sion to Calheta | 1,596.21 mi (2,568.84 km) |
| Sion to Camara de Lobos | 1,589.67 mi (2,558.33 km) |
| Sion to Canico | 1,586.82 mi (2,553.74 km) |
| Sion to Cantanhede | 897.64 mi (1,444.61 km) |
| Sion to Carregal do Sal | 868.02 mi (1,396.94 km) |
| Sion to Cartaxo | 952.42 mi (1,532.77 km) |
