| Grimsby to Oerlinghausen | 381.73 mi (614.34 km) |
| Grimsby to Oestrich-Winkel | 423.90 mi (682.19 km) |
| Grimsby to Offenburg | 494.93 mi (796.51 km) |
| Grimsby to Oftersheim | 471.86 mi (759.38 km) |
| Grimsby to Ohrdruf | 494.86 mi (796.40 km) |
| Grimsby to Ohringen | 510.88 mi (822.19 km) |
| Grimsby to Olbernhau | 602.24 mi (969.21 km) |
| Grimsby to Olching | 618.75 mi (995.78 km) |
| Grimsby to Oldenburg | 343.08 mi (552.13 km) |
| Grimsby to Oldenburg in Holstein | 448.35 mi (721.55 km) |
| Grimsby to Olfen | 337.82 mi (543.66 km) |
| Grimsby to Olpe | 377.72 mi (607.88 km) |
| Grimsby to Olsberg | 391.41 mi (629.91 km) |
| Grimsby to Oranienburg | 553.70 mi (891.09 km) |
| Grimsby to Ortenberg | 447.30 mi (719.86 km) |
