| Herne Bay to Oerlinghausen | 325.44 mi (523.74 km) |
| Herne Bay to Oestrich-Winkel | 315.15 mi (507.18 km) |
| Herne Bay to Offenburg | 362.88 mi (583.99 km) |
| Herne Bay to Oftersheim | 356.18 mi (573.21 km) |
| Herne Bay to Ohrdruf | 418.03 mi (672.76 km) |
| Herne Bay to Ohringen | 398.49 mi (641.31 km) |
| Herne Bay to Olbernhau | 532.01 mi (856.19 km) |
| Herne Bay to Olching | 503.88 mi (810.91 km) |
| Herne Bay to Oldenburg | 323.53 mi (520.67 km) |
| Herne Bay to Oldenburg in Holstein | 454.13 mi (730.86 km) |
| Herne Bay to Olfen | 269.69 mi (434.02 km) |
| Herne Bay to Olpe | 291.18 mi (468.60 km) |
| Herne Bay to Olsberg | 317.12 mi (510.35 km) |
| Herne Bay to Oranienburg | 522.45 mi (840.80 km) |
| Herne Bay to Ortenberg | 352.47 mi (567.24 km) |
