| Onda to Cocentaina | 84.65 mi (136.23 km) |
| Onda to Coin | 333.08 mi (536.04 km) |
| Onda to Colindres | 288.57 mi (464.42 km) |
| Onda to Collado-Villalba | 202.67 mi (326.17 km) |
| Onda to Colmenar Viejo | 190.66 mi (306.84 km) |
| Onda to Colmenarejo | 202.13 mi (325.30 km) |
| Onda to Conil de la Frontera | 406.39 mi (654.02 km) |
| Onda to Consuegra | 180.98 mi (291.26 km) |
| Onda to Corbera de Llobregat | 152.72 mi (245.78 km) |
| Onda to Cordoba | 281.96 mi (453.78 km) |
| Onda to Coria del Rio | 362.96 mi (584.12 km) |
| Onda to Crevillente | 121.97 mi (196.29 km) |
| Onda to Cuarte de Huerva | 117.08 mi (188.42 km) |
| Onda to Cubellas | 133.28 mi (214.49 km) |
| Onda to Cuellar | 234.28 mi (377.03 km) |
