| Somerset to Cascais | 3,385.31 mi (5,448.13 km) |
| Somerset to Castelo Branco | 3,447.83 mi (5,548.75 km) |
| Somerset to Castro Daire | 3,397.28 mi (5,467.39 km) |
| Somerset to Celorico de Basto | 3,381.25 mi (5,441.60 km) |
| Somerset to Chamusca | 3,412.93 mi (5,492.59 km) |
| Somerset to Chaves | 3,397.15 mi (5,467.18 km) |
| Somerset to Cinfaes | 3,382.33 mi (5,443.34 km) |
| Somerset to Coimbra | 3,391.88 mi (5,458.70 km) |
| Somerset to Condeixa-a-Nova | 3,391.00 mi (5,457.29 km) |
| Somerset to Corroios | 3,400.81 mi (5,473.08 km) |
| Somerset to Coruche | 3,421.82 mi (5,506.89 km) |
| Somerset to Costa de Caparica | 3,395.79 mi (5,465.00 km) |
| Somerset to Covilha | 3,434.91 mi (5,527.96 km) |
| Somerset to Eiras | 3,391.29 mi (5,457.75 km) |
| Somerset to Elvas | 3,491.82 mi (5,619.55 km) |
