| Ashtabula to Cocentaina | 4,076.35 mi (6,560.25 km) |
| Ashtabula to Coin | 3,947.75 mi (6,353.29 km) |
| Ashtabula to Colindres | 3,782.93 mi (6,088.03 km) |
| Ashtabula to Collado-Villalba | 3,846.91 mi (6,191.01 km) |
| Ashtabula to Colmenar Viejo | 3,857.22 mi (6,207.59 km) |
| Ashtabula to Colmenarejo | 3,848.92 mi (6,194.23 km) |
| Ashtabula to Conil de la Frontera | 3,897.99 mi (6,273.21 km) |
| Ashtabula to Consuegra | 3,904.81 mi (6,284.18 km) |
| Ashtabula to Corbera de Llobregat | 4,089.22 mi (6,580.96 km) |
| Ashtabula to Cordoba | 3,903.88 mi (6,282.69 km) |
| Ashtabula to Coria del Rio | 3,864.30 mi (6,218.99 km) |
| Ashtabula to Crevillente | 4,077.05 mi (6,561.37 km) |
| Ashtabula to Cuarte de Huerva | 3,955.87 mi (6,366.35 km) |
| Ashtabula to Cubellas | 4,085.01 mi (6,574.18 km) |
| Ashtabula to Cuellar | 3,807.72 mi (6,127.94 km) |
