| Harrow on the Hill to Butzbach | 398.53 mi (641.38 km) |
| Harrow on the Hill to Buxtehude | 441.58 mi (710.66 km) |
| Harrow on the Hill to Cadolzburg | 512.77 mi (825.23 km) |
| Harrow on the Hill to Calbe | 518.05 mi (833.72 km) |
| Harrow on the Hill to Calw | 446.70 mi (718.89 km) |
| Harrow on the Hill to Castrop-Rauxel | 328.45 mi (528.59 km) |
| Harrow on the Hill to Celle | 447.71 mi (720.52 km) |
| Harrow on the Hill to Cham | 593.56 mi (955.24 km) |
| Harrow on the Hill to Chemnitz | 575.06 mi (925.47 km) |
| Harrow on the Hill to Clausthal-Zellerfeld | 456.88 mi (735.28 km) |
| Harrow on the Hill to Cloppenburg | 365.62 mi (588.41 km) |
| Harrow on the Hill to Coburg | 499.79 mi (804.33 km) |
| Harrow on the Hill to Coesfeld | 321.69 mi (517.71 km) |
| Harrow on the Hill to Cologne | 317.92 mi (511.64 km) |
| Harrow on the Hill to Coswig | 600.36 mi (966.18 km) |
