| Ephrata to Cortona | 4,325.85 mi (6,961.78 km) |
| Ephrata to Cosenza | 4,659.95 mi (7,499.46 km) |
| Ephrata to Cossato | 4,084.08 mi (6,572.69 km) |
| Ephrata to Costa Volpino | 4,157.79 mi (6,691.32 km) |
| Ephrata to Creazzo | 4,226.20 mi (6,801.41 km) |
| Ephrata to Crema | 4,155.42 mi (6,687.51 km) |
| Ephrata to Cremona | 4,178.10 mi (6,724.00 km) |
| Ephrata to Crevalcore | 4,239.83 mi (6,823.34 km) |
| Ephrata to Crispiano | 4,652.44 mi (7,487.37 km) |
| Ephrata to Crosia | 4,672.33 mi (7,519.39 km) |
| Ephrata to Crotone | 4,706.68 mi (7,574.67 km) |
| Ephrata to Cuneo | 4,095.52 mi (6,591.11 km) |
| Ephrata to Cuorgne | 4,067.53 mi (6,546.06 km) |
| Ephrata to Cusano Milanino | 4,128.08 mi (6,643.51 km) |
| Ephrata to Cutro | 4,702.75 mi (7,568.34 km) |
