| Olen to Cherbourg | 302.70 mi (487.15 km) |
| Olen to Chevigny-Saint-Sauveur | 266.20 mi (428.41 km) |
| Olen to Chevilly-Larue | 198.57 mi (319.56 km) |
| Olen to Chilly-Mazarin | 203.29 mi (327.16 km) |
| Olen to Choisy-le-Roi | 197.39 mi (317.68 km) |
| Olen to Cholet | 383.17 mi (616.66 km) |
| Olen to Clamart | 198.84 mi (320.00 km) |
| Olen to Claye-Souilly | 180.05 mi (289.76 km) |
| Olen to Clermont | 162.97 mi (262.27 km) |
| Olen to Clermont-Ferrand | 379.53 mi (610.79 km) |
| Olen to Clermont-l'Herault | 523.96 mi (843.23 km) |
| Olen to Clichy | 191.86 mi (308.77 km) |
| Olen to Clichy-sous-Bois | 185.29 mi (298.20 km) |
| Olen to Cluses | 360.40 mi (580.00 km) |
| Olen to Cognac | 445.18 mi (716.45 km) |
