| Didcot to Cassina de' Pecchi | 640.97 mi (1,031.54 km) |
| Didcot to Cassino | 996.61 mi (1,603.88 km) |
| Didcot to Castagneto Carducci | 802.32 mi (1,291.21 km) |
| Didcot to Castano Primo | 618.97 mi (996.13 km) |
| Didcot to Castel Bolognese | 783.92 mi (1,261.60 km) |
| Didcot to Castel Gandolfo | 944.45 mi (1,519.94 km) |
| Didcot to Castel Goffredo | 690.10 mi (1,110.61 km) |
| Didcot to Castel Maggiore | 756.57 mi (1,217.59 km) |
| Didcot to Castel Mella | 669.06 mi (1,076.75 km) |
| Didcot to Castel San Giorgio | 1,063.54 mi (1,711.60 km) |
| Didcot to Castel San Giovanni | 666.32 mi (1,072.35 km) |
| Didcot to Castel San Pietro Terme | 772.26 mi (1,242.84 km) |
| Didcot to Castel Volturno | 1,023.23 mi (1,646.72 km) |
| Didcot to Castelbuono | 1,202.66 mi (1,935.49 km) |
| Didcot to Casteldaccia | 1,179.09 mi (1,897.56 km) |
