| Didcot to Caltagirone | 1,255.27 mi (2,020.17 km) |
| Didcot to Caltanissetta | 1,227.24 mi (1,975.05 km) |
| Didcot to Calvisano | 683.13 mi (1,099.39 km) |
| Didcot to Calvizzano | 1,040.07 mi (1,673.83 km) |
| Didcot to Camaiore | 752.17 mi (1,210.49 km) |
| Didcot to Cameri | 617.57 mi (993.88 km) |
| Didcot to Camisano Vicentino | 725.02 mi (1,166.80 km) |
| Didcot to Campagna | 1,083.20 mi (1,743.24 km) |
| Didcot to Campagnano di Roma | 915.06 mi (1,472.64 km) |
| Didcot to Campi Bisenzio | 785.84 mi (1,264.68 km) |
| Didcot to Campi Salentina | 1,199.18 mi (1,929.89 km) |
| Didcot to Campiglia Marittima | 808.21 mi (1,300.69 km) |
| Didcot to Campobasso | 1,021.49 mi (1,643.93 km) |
| Didcot to Campobello di Licata | 1,237.02 mi (1,990.80 km) |
| Didcot to Campobello di Mazara | 1,181.14 mi (1,900.85 km) |
