| Gainsborough to Oerlinghausen | 407.29 mi (655.48 km) |
| Gainsborough to Oestrich-Winkel | 442.68 mi (712.43 km) |
| Gainsborough to Offenburg | 509.24 mi (819.54 km) |
| Gainsborough to Oftersheim | 489.67 mi (788.06 km) |
| Gainsborough to Ohrdruf | 518.85 mi (835.01 km) |
| Gainsborough to Ohringen | 529.54 mi (852.20 km) |
| Gainsborough to Olbernhau | 627.46 mi (1,009.79 km) |
| Gainsborough to Olching | 637.35 mi (1,025.72 km) |
| Gainsborough to Oldenburg | 371.51 mi (597.89 km) |
| Gainsborough to Oldenburg in Holstein | 478.56 mi (770.18 km) |
| Gainsborough to Olfen | 361.61 mi (581.95 km) |
| Gainsborough to Olpe | 399.58 mi (643.06 km) |
| Gainsborough to Olsberg | 415.01 mi (667.89 km) |
| Gainsborough to Oranienburg | 582.28 mi (937.09 km) |
| Gainsborough to Ortenberg | 468.53 mi (754.03 km) |
