| Keystone to Cavaillon | 4,791.11 mi (7,710.55 km) |
| Keystone to Cebazat | 4,656.99 mi (7,494.71 km) |
| Keystone to Cenon | 4,507.60 mi (7,254.27 km) |
| Keystone to Cergy | 4,546.83 mi (7,317.42 km) |
| Keystone to Cernay | 4,795.93 mi (7,718.31 km) |
| Keystone to Cesson | 4,579.33 mi (7,369.71 km) |
| Keystone to Cesson-Sevigne | 4,400.75 mi (7,082.33 km) |
| Keystone to Cestas | 4,502.64 mi (7,246.30 km) |
| Keystone to Chalette-sur-Loing | 4,596.10 mi (7,396.71 km) |
| Keystone to Challans | 4,409.45 mi (7,096.32 km) |
| Keystone to Chalon-sur-Saone | 4,716.15 mi (7,589.90 km) |
| Keystone to Chalons-en-Champagne | 4,648.42 mi (7,480.91 km) |
| Keystone to Chamalieres | 4,656.69 mi (7,494.22 km) |
| Keystone to Chambery | 4,791.32 mi (7,710.88 km) |
| Keystone to Chambly | 4,552.44 mi (7,326.44 km) |
