| Cities | Distance |
|---|---|
| Didcot to Idar-Oberstein | 396.60 mi (638.27 km) |
| Didcot to Idstein | 425.09 mi (684.11 km) |
| Didcot to Illertissen | 554.84 mi (892.93 km) |
| Didcot to Illingen | 395.48 mi (636.46 km) |
| Didcot to Ilmenau | 530.31 mi (853.45 km) |
| Didcot to Ilsede | 488.28 mi (785.81 km) |
| Didcot to Ilsenburg | 509.97 mi (820.71 km) |
| Didcot to Ilsfeld | 494.75 mi (796.22 km) |
| Didcot to Ilvesheim | 454.82 mi (731.95 km) |
| Didcot to Immenstadt im Allgau | 583.29 mi (938.71 km) |
| Didcot to Ingelheim | 421.11 mi (677.72 km) |
| Didcot to Ingolstadt | 592.87 mi (954.13 km) |
| Didcot to Iserlohn | 383.25 mi (616.78 km) |
| Didcot to Isernhagen-Sud | 474.86 mi (764.22 km) |
| Didcot to Ismaning | 619.09 mi (996.33 km) |