| Hemel Hempstead to Oststeinbek | 462.20 mi (743.85 km) |
| Hemel Hempstead to Ottendorf-Okrilla | 615.61 mi (990.72 km) |
| Hemel Hempstead to Ottersberg | 415.48 mi (668.65 km) |
| Hemel Hempstead to Ottobrunn | 596.06 mi (959.27 km) |
| Hemel Hempstead to Ottweiler | 373.26 mi (600.70 km) |
| Hemel Hempstead to Overath | 339.64 mi (546.60 km) |
| Hemel Hempstead to Oyten | 409.64 mi (659.26 km) |
| Hemel Hempstead to Paderborn | 394.41 mi (634.73 km) |
| Hemel Hempstead to Papenburg | 343.67 mi (553.09 km) |
| Hemel Hempstead to Parchim | 528.39 mi (850.36 km) |
| Hemel Hempstead to Pasewalk | 617.60 mi (993.92 km) |
| Hemel Hempstead to Passau | 653.42 mi (1,051.57 km) |
| Hemel Hempstead to Pattensen | 436.40 mi (702.32 km) |
| Hemel Hempstead to Pegnitz | 542.27 mi (872.70 km) |
| Hemel Hempstead to Peine | 456.17 mi (734.14 km) |
