| Allentown to Chenove | 3,849.52 mi (6,195.20 km) |
| Allentown to Cherbourg | 3,508.16 mi (5,645.84 km) |
| Allentown to Chevigny-Saint-Sauveur | 3,854.66 mi (6,203.48 km) |
| Allentown to Chevilly-Larue | 3,696.21 mi (5,948.47 km) |
| Allentown to Chilly-Mazarin | 3,696.19 mi (5,948.44 km) |
| Allentown to Choisy-le-Roi | 3,698.64 mi (5,952.38 km) |
| Allentown to Cholet | 3,602.39 mi (5,797.49 km) |
| Allentown to Clamart | 3,691.47 mi (5,940.85 km) |
| Allentown to Claye-Souilly | 3,705.46 mi (5,963.35 km) |
| Allentown to Clermont | 3,682.57 mi (5,926.53 km) |
| Allentown to Clermont-Ferrand | 3,810.53 mi (6,132.46 km) |
| Allentown to Clermont-l'Herault | 3,890.56 mi (6,261.26 km) |
| Allentown to Clichy | 3,690.59 mi (5,939.42 km) |
| Allentown to Clichy-sous-Bois | 3,700.79 mi (5,955.84 km) |
| Allentown to Cluses | 3,953.58 mi (6,362.68 km) |
