| Didcot to Casamassima | 1,131.98 mi (1,821.74 km) |
| Didcot to Casandrino | 1,040.51 mi (1,674.55 km) |
| Didcot to Casapulla | 1,034.55 mi (1,664.95 km) |
| Didcot to Casarano | 1,223.94 mi (1,969.74 km) |
| Didcot to Casatenovo | 630.28 mi (1,014.34 km) |
| Didcot to Casciana Terme | 783.77 mi (1,261.36 km) |
| Didcot to Cascina | 773.38 mi (1,244.64 km) |
| Didcot to Caselle Torinese | 602.10 mi (968.99 km) |
| Didcot to Caserta | 1,036.23 mi (1,667.65 km) |
| Didcot to Casier | 740.98 mi (1,192.50 km) |
| Didcot to Casorate Primo | 639.00 mi (1,028.36 km) |
| Didcot to Casoria | 1,043.95 mi (1,680.08 km) |
| Didcot to Cassano al Ionio | 1,171.23 mi (1,884.92 km) |
| Didcot to Cassano d'Adda | 645.33 mi (1,038.56 km) |
| Didcot to Cassano delle Murge | 1,129.98 mi (1,818.53 km) |
