| Helmstedt to Cavaillon | 641.53 mi (1,032.44 km) |
| Helmstedt to Cebazat | 568.32 mi (914.62 km) |
| Helmstedt to Cenon | 731.92 mi (1,177.91 km) |
| Helmstedt to Cergy | 449.45 mi (723.32 km) |
| Helmstedt to Cernay | 349.61 mi (562.64 km) |
| Helmstedt to Cesson | 448.13 mi (721.20 km) |
| Helmstedt to Cesson-Sevigne | 625.03 mi (1,005.89 km) |
| Helmstedt to Cestas | 742.68 mi (1,195.22 km) |
| Helmstedt to Chalette-sur-Loing | 467.76 mi (752.78 km) |
| Helmstedt to Challans | 685.68 mi (1,103.49 km) |
| Helmstedt to Chalon-sur-Saone | 466.55 mi (750.84 km) |
| Helmstedt to Chalons-en-Champagne | 368.58 mi (593.17 km) |
| Helmstedt to Chamalieres | 572.48 mi (921.32 km) |
| Helmstedt to Chambery | 514.73 mi (828.37 km) |
| Helmstedt to Chambly | 437.54 mi (704.15 km) |
