| Siena to Chenove | 411.82 mi (662.76 km) |
| Siena to Cherbourg | 752.64 mi (1,211.26 km) |
| Siena to Chevigny-Saint-Sauveur | 407.67 mi (656.08 km) |
| Siena to Chevilly-Larue | 571.24 mi (919.32 km) |
| Siena to Chilly-Mazarin | 570.02 mi (917.35 km) |
| Siena to Choisy-le-Roi | 569.09 mi (915.87 km) |
| Siena to Cholet | 647.41 mi (1,041.91 km) |
| Siena to Clamart | 575.98 mi (926.94 km) |
| Siena to Claye-Souilly | 567.20 mi (912.83 km) |
| Siena to Clermont | 596.13 mi (959.38 km) |
| Siena to Clermont-Ferrand | 440.15 mi (708.35 km) |
| Siena to Clermont-l'Herault | 396.50 mi (638.10 km) |
| Siena to Clichy | 578.81 mi (931.50 km) |
| Siena to Clichy-sous-Bois | 570.33 mi (917.86 km) |
| Siena to Cluses | 300.57 mi (483.71 km) |
