| Somain to Castelo Branco | 896.34 mi (1,442.52 km) |
| Somain to Castro Daire | 846.95 mi (1,363.03 km) |
| Somain to Celorico de Basto | 822.17 mi (1,323.15 km) |
| Somain to Chamusca | 951.73 mi (1,531.65 km) |
| Somain to Chaves | 785.98 mi (1,264.91 km) |
| Somain to Cinfaes | 841.97 mi (1,355.01 km) |
| Somain to Coimbra | 900.83 mi (1,449.74 km) |
| Somain to Condeixa-a-Nova | 908.31 mi (1,461.79 km) |
| Somain to Corroios | 1,013.86 mi (1,631.65 km) |
| Somain to Coruche | 975.84 mi (1,570.46 km) |
| Somain to Costa de Caparica | 1,014.61 mi (1,632.86 km) |
| Somain to Covilha | 869.20 mi (1,398.84 km) |
| Somain to Eiras | 898.91 mi (1,446.66 km) |
| Somain to Elvas | 943.24 mi (1,518.00 km) |
| Somain to Entroncamento | 944.62 mi (1,520.21 km) |
