| Somerville to Cascais | 3,176.81 mi (5,112.58 km) |
| Somerville to Castelo Branco | 3,236.94 mi (5,209.34 km) |
| Somerville to Castro Daire | 3,185.25 mi (5,126.16 km) |
| Somerville to Celorico de Basto | 3,168.69 mi (5,099.51 km) |
| Somerville to Chamusca | 3,203.08 mi (5,154.86 km) |
| Somerville to Chaves | 3,184.00 mi (5,124.15 km) |
| Somerville to Cinfaes | 3,170.14 mi (5,101.85 km) |
| Somerville to Coimbra | 3,180.88 mi (5,119.14 km) |
| Somerville to Condeixa-a-Nova | 3,180.16 mi (5,117.97 km) |
| Somerville to Corroios | 3,192.30 mi (5,137.51 km) |
| Somerville to Coruche | 3,212.52 mi (5,170.05 km) |
| Somerville to Costa de Caparica | 3,187.28 mi (5,129.43 km) |
| Somerville to Covilha | 3,223.45 mi (5,187.63 km) |
| Somerville to Eiras | 3,180.25 mi (5,118.12 km) |
| Somerville to Elvas | 3,281.98 mi (5,281.83 km) |
