| Didymoteicho to Coin | 1,699.11 mi (2,734.46 km) |
| Didymoteicho to Colindres | 1,526.95 mi (2,457.38 km) |
| Didymoteicho to Collado-Villalba | 1,583.60 mi (2,548.56 km) |
| Didymoteicho to Colmenar Viejo | 1,570.80 mi (2,527.95 km) |
| Didymoteicho to Colmenarejo | 1,585.08 mi (2,550.94 km) |
| Didymoteicho to Conil de la Frontera | 1,778.18 mi (2,861.71 km) |
| Didymoteicho to Consuegra | 1,581.37 mi (2,544.96 km) |
| Didymoteicho to Corbera de Llobregat | 1,269.36 mi (2,042.84 km) |
| Didymoteicho to Cordoba | 1,672.73 mi (2,692.00 km) |
| Didymoteicho to Coria del Rio | 1,751.95 mi (2,819.49 km) |
| Didymoteicho to Crevillente | 1,459.24 mi (2,348.42 km) |
| Didymoteicho to Cuarte de Huerva | 1,413.57 mi (2,274.91 km) |
| Didymoteicho to Cubellas | 1,284.67 mi (2,067.48 km) |
| Didymoteicho to Cuellar | 1,589.07 mi (2,557.36 km) |
| Didymoteicho to Cuenca | 1,496.35 mi (2,408.14 km) |
