| Ephrata to Cognac | 3,709.53 mi (5,969.92 km) |
| Ephrata to Cogolin | 4,087.28 mi (6,577.84 km) |
| Ephrata to Colmar | 3,971.69 mi (6,391.81 km) |
| Ephrata to Colombes | 3,734.72 mi (6,010.45 km) |
| Ephrata to Colomiers | 3,843.28 mi (6,185.16 km) |
| Ephrata to Combs-la-Ville | 3,754.38 mi (6,042.09 km) |
| Ephrata to Comines | 3,718.38 mi (5,984.15 km) |
| Ephrata to Compiegne | 3,745.63 mi (6,028.01 km) |
| Ephrata to Concarneau | 3,496.45 mi (5,627.00 km) |
| Ephrata to Conde-sur-l'Escaut | 3,750.12 mi (6,035.24 km) |
| Ephrata to Conflans-Sainte-Honorine | 3,726.27 mi (5,996.86 km) |
| Ephrata to Corbas | 3,940.04 mi (6,340.89 km) |
| Ephrata to Corbeil-Essonnes | 3,752.59 mi (6,039.21 km) |
| Ephrata to Cormeilles-en-Parisis | 3,731.26 mi (6,004.89 km) |
| Ephrata to Cosne sur Loire | 3,804.23 mi (6,122.32 km) |
