| Hemel Hempstead to Oschatz | 583.59 mi (939.20 km) |
| Hemel Hempstead to Oschersleben | 499.59 mi (804.01 km) |
| Hemel Hempstead to Osnabruck | 363.88 mi (585.61 km) |
| Hemel Hempstead to Ostbevern | 354.88 mi (571.13 km) |
| Hemel Hempstead to Osterburg | 521.60 mi (839.43 km) |
| Hemel Hempstead to Ostercappeln | 371.83 mi (598.40 km) |
| Hemel Hempstead to Osterhofen | 631.29 mi (1,015.96 km) |
| Hemel Hempstead to Osterholz-Scharmbeck | 402.59 mi (647.91 km) |
| Hemel Hempstead to Osternienburg | 533.13 mi (858.00 km) |
| Hemel Hempstead to Osterode | 458.30 mi (737.56 km) |
| Hemel Hempstead to Osterwieck | 477.08 mi (767.78 km) |
| Hemel Hempstead to Ostfildern | 476.94 mi (767.56 km) |
| Hemel Hempstead to Osthofen | 409.58 mi (659.15 km) |
| Hemel Hempstead to Ostrhauderfehn | 353.19 mi (568.40 km) |
| Hemel Hempstead to Ostringen | 439.49 mi (707.29 km) |
