| Boulder to Chenove | 5,042.39 mi (8,114.94 km) |
| Boulder to Cherbourg | 4,705.47 mi (7,572.72 km) |
| Boulder to Chevigny-Saint-Sauveur | 5,046.42 mi (8,121.43 km) |
| Boulder to Chevilly-Larue | 4,882.95 mi (7,858.35 km) |
| Boulder to Chilly-Mazarin | 4,884.31 mi (7,860.54 km) |
| Boulder to Choisy-le-Roi | 4,885.06 mi (7,861.75 km) |
| Boulder to Cholet | 4,839.55 mi (7,788.51 km) |
| Boulder to Clamart | 4,878.23 mi (7,850.76 km) |
| Boulder to Claye-Souilly | 4,886.83 mi (7,864.59 km) |
| Boulder to Clermont | 4,858.24 mi (7,818.58 km) |
| Boulder to Clermont-Ferrand | 5,041.47 mi (8,113.46 km) |
| Boulder to Clermont-l'Herault | 5,151.90 mi (8,291.18 km) |
| Boulder to Clichy | 4,875.26 mi (7,845.98 km) |
| Boulder to Clichy-sous-Bois | 4,883.68 mi (7,859.52 km) |
| Boulder to Cluses | 5,154.62 mi (8,295.57 km) |
