| Orsova to Nottingham | 1,204.52 mi (1,938.48 km) |
| Orsova to Nuneaton | 1,208.10 mi (1,944.24 km) |
| Orsova to Oadby | 1,193.95 mi (1,921.47 km) |
| Orsova to Oakengates | 1,251.02 mi (2,013.32 km) |
| Orsova to Oakham | 1,181.81 mi (1,901.93 km) |
| Orsova to Oldbury | 1,229.83 mi (1,979.22 km) |
| Orsova to Oldham | 1,255.55 mi (2,020.61 km) |
| Orsova to Ollerton | 1,205.01 mi (1,939.27 km) |
| Orsova to Olton | 1,220.04 mi (1,963.47 km) |
| Orsova to Omagh | 1,477.21 mi (2,377.34 km) |
| Orsova to Ormesby | 1,245.24 mi (2,004.01 km) |
| Orsova to Ormskirk | 1,286.00 mi (2,069.61 km) |
| Orsova to Orpington | 1,121.89 mi (1,805.51 km) |
| Orsova to Ossett | 1,237.97 mi (1,992.32 km) |
| Orsova to Oswaldtwistle | 1,270.73 mi (2,045.05 km) |
