| Colton to Cascais | 5,617.18 mi (9,039.97 km) |
| Colton to Castelo Branco | 5,651.40 mi (9,095.05 km) |
| Colton to Castro Daire | 5,587.45 mi (8,992.14 km) |
| Colton to Celorico de Basto | 5,564.32 mi (8,954.91 km) |
| Colton to Chamusca | 5,629.79 mi (9,060.27 km) |
| Colton to Chaves | 5,570.84 mi (8,965.41 km) |
| Colton to Cinfaes | 5,570.76 mi (8,965.27 km) |
| Colton to Coimbra | 5,595.84 mi (9,005.64 km) |
| Colton to Condeixa-a-Nova | 5,596.84 mi (9,007.24 km) |
| Colton to Corroios | 5,632.17 mi (9,064.10 km) |
| Colton to Coruche | 5,644.49 mi (9,083.93 km) |
| Colton to Costa de Caparica | 5,627.28 mi (9,056.22 km) |
| Colton to Covilha | 5,631.54 mi (9,063.09 km) |
| Colton to Eiras | 5,594.76 mi (9,003.89 km) |
| Colton to Elvas | 5,706.69 mi (9,184.03 km) |
