| Didcot to Cervignano del Friuli | 773.32 mi (1,244.54 km) |
| Didcot to Cesa | 1,038.18 mi (1,670.79 km) |
| Didcot to Cesano Maderno | 627.84 mi (1,010.40 km) |
| Didcot to Cesena | 808.23 mi (1,300.72 km) |
| Didcot to Cesenatico | 810.62 mi (1,304.56 km) |
| Didcot to Cetraro | 1,173.95 mi (1,889.29 km) |
| Didcot to Cherasco | 637.32 mi (1,025.67 km) |
| Didcot to Chiampo | 707.56 mi (1,138.70 km) |
| Didcot to Chiaravalle | 873.03 mi (1,405.01 km) |
| Didcot to Chiari | 658.74 mi (1,060.15 km) |
| Didcot to Chiavari | 700.80 mi (1,127.83 km) |
| Didcot to Chieri | 616.29 mi (991.82 km) |
| Didcot to Chieti | 964.23 mi (1,551.79 km) |
| Didcot to Chioggia | 759.11 mi (1,221.67 km) |
| Didcot to Chiusi | 854.35 mi (1,374.94 km) |
