| Didcot to Busto Arsizio | 618.76 mi (995.79 km) |
| Didcot to Busto Garolfo | 623.11 mi (1,002.80 km) |
| Didcot to Cabras | 932.14 mi (1,500.13 km) |
| Didcot to Cadelbosco di Sopra | 720.11 mi (1,158.91 km) |
| Didcot to Cadoneghe | 736.01 mi (1,184.50 km) |
| Didcot to Cagli | 851.30 mi (1,370.04 km) |
| Didcot to Cagliari | 989.53 mi (1,592.49 km) |
| Didcot to Cairo Montenotte | 663.06 mi (1,067.08 km) |
| Didcot to Caivano | 1,041.29 mi (1,675.80 km) |
| Didcot to Calcinaia | 775.56 mi (1,248.15 km) |
| Didcot to Calcinato | 680.41 mi (1,095.02 km) |
| Didcot to Calderara di Reno | 753.07 mi (1,211.94 km) |
| Didcot to Caldogno | 713.08 mi (1,147.60 km) |
| Didcot to Calenzano | 784.42 mi (1,262.40 km) |
| Didcot to Calolziocorte | 629.65 mi (1,013.33 km) |
