| Stansted Mountfitchet to Oerlinghausen | 360.61 mi (580.35 km) |
| Stansted Mountfitchet to Oestrich-Winkel | 363.83 mi (585.53 km) |
| Stansted Mountfitchet to Offenburg | 415.98 mi (669.46 km) |
| Stansted Mountfitchet to Oftersheim | 406.59 mi (654.34 km) |
| Stansted Mountfitchet to Ohrdruf | 460.03 mi (740.34 km) |
| Stansted Mountfitchet to Ohringen | 448.49 mi (721.78 km) |
| Stansted Mountfitchet to Olbernhau | 573.19 mi (922.46 km) |
| Stansted Mountfitchet to Olching | 554.74 mi (892.77 km) |
| Stansted Mountfitchet to Oldenburg | 347.61 mi (559.43 km) |
| Stansted Mountfitchet to Oldenburg in Holstein | 472.76 mi (760.84 km) |
| Stansted Mountfitchet to Olfen | 307.09 mi (494.22 km) |
| Stansted Mountfitchet to Olpe | 334.14 mi (537.75 km) |
| Stansted Mountfitchet to Olsberg | 357.21 mi (574.87 km) |
| Stansted Mountfitchet to Oranienburg | 553.00 mi (889.96 km) |
| Stansted Mountfitchet to Ortenberg | 398.30 mi (641.00 km) |
