| Channahon to Cascais | 4,021.54 mi (6,472.04 km) |
| Channahon to Castelo Branco | 4,071.50 mi (6,552.45 km) |
| Channahon to Castro Daire | 4,014.47 mi (6,460.66 km) |
| Channahon to Celorico de Basto | 3,995.09 mi (6,429.48 km) |
| Channahon to Chamusca | 4,042.41 mi (6,505.63 km) |
| Channahon to Chaves | 4,006.91 mi (6,448.50 km) |
| Channahon to Cinfaes | 3,998.60 mi (6,435.13 km) |
| Channahon to Coimbra | 4,015.29 mi (6,461.99 km) |
| Channahon to Condeixa-a-Nova | 4,015.27 mi (6,461.95 km) |
| Channahon to Corroios | 4,036.91 mi (6,496.77 km) |
| Channahon to Coruche | 4,054.04 mi (6,524.34 km) |
| Channahon to Costa de Caparica | 4,031.91 mi (6,488.73 km) |
| Channahon to Covilha | 4,055.34 mi (6,526.43 km) |
| Channahon to Eiras | 4,014.47 mi (6,460.67 km) |
| Channahon to Elvas | 4,120.95 mi (6,632.04 km) |
