| Pottstown to Cognac | 3,683.10 mi (5,927.38 km) |
| Pottstown to Cogolin | 4,060.83 mi (6,535.27 km) |
| Pottstown to Colmar | 3,946.40 mi (6,351.11 km) |
| Pottstown to Colombes | 3,709.26 mi (5,969.47 km) |
| Pottstown to Colomiers | 3,816.52 mi (6,142.10 km) |
| Pottstown to Combs-la-Ville | 3,728.87 mi (6,001.04 km) |
| Pottstown to Comines | 3,693.48 mi (5,944.08 km) |
| Pottstown to Compiegne | 3,720.34 mi (5,987.31 km) |
| Pottstown to Concarneau | 3,470.31 mi (5,584.93 km) |
| Pottstown to Conde-sur-l'Escaut | 3,725.18 mi (5,995.10 km) |
| Pottstown to Conflans-Sainte-Honorine | 3,700.82 mi (5,955.90 km) |
| Pottstown to Corbas | 3,913.98 mi (6,298.94 km) |
| Pottstown to Corbeil-Essonnes | 3,727.07 mi (5,998.13 km) |
| Pottstown to Cormeilles-en-Parisis | 3,705.81 mi (5,963.93 km) |
| Pottstown to Cosne sur Loire | 3,778.44 mi (6,080.80 km) |
