| Soma to Cascais | 1,975.95 mi (3,179.98 km) |
| Soma to Castelo Branco | 1,860.11 mi (2,993.57 km) |
| Soma to Castro Daire | 1,870.77 mi (3,010.71 km) |
| Soma to Celorico de Basto | 1,869.72 mi (3,009.02 km) |
| Soma to Chamusca | 1,917.56 mi (3,086.01 km) |
| Soma to Chaves | 1,839.67 mi (2,960.66 km) |
| Soma to Cinfaes | 1,879.16 mi (3,024.22 km) |
| Soma to Coimbra | 1,903.87 mi (3,063.99 km) |
| Soma to Condeixa-a-Nova | 1,908.67 mi (3,071.71 km) |
| Soma to Corroios | 1,963.27 mi (3,159.58 km) |
| Soma to Coruche | 1,925.35 mi (3,098.56 km) |
| Soma to Costa de Caparica | 1,967.28 mi (3,166.02 km) |
| Soma to Covilha | 1,854.72 mi (2,984.88 km) |
| Soma to Eiras | 1,903.24 mi (3,062.98 km) |
| Soma to Elvas | 1,854.22 mi (2,984.08 km) |
