| Didcot to Cavaillon | 610.44 mi (982.40 km) |
| Didcot to Cebazat | 445.17 mi (716.43 km) |
| Didcot to Cenon | 467.39 mi (752.19 km) |
| Didcot to Cergy | 229.68 mi (369.63 km) |
| Didcot to Cernay | 458.19 mi (737.38 km) |
| Didcot to Cesson | 270.36 mi (435.10 km) |
| Didcot to Cesson-Sevigne | 241.34 mi (388.41 km) |
| Didcot to Cestas | 474.79 mi (764.09 km) |
| Didcot to Chalette-sur-Loing | 305.05 mi (490.93 km) |
| Didcot to Challans | 330.09 mi (531.22 km) |
| Didcot to Chalon-sur-Saone | 431.97 mi (695.19 km) |
| Didcot to Chalons-en-Champagne | 307.67 mi (495.15 km) |
| Didcot to Chamalieres | 448.14 mi (721.21 km) |
| Didcot to Chambery | 529.37 mi (851.95 km) |
| Didcot to Chambly | 228.05 mi (367.02 km) |
