| Oraiokastro to Nottingham | 1,405.24 mi (2,261.51 km) |
| Oraiokastro to Nuneaton | 1,403.89 mi (2,259.34 km) |
| Oraiokastro to Oadby | 1,391.41 mi (2,239.26 km) |
| Oraiokastro to Oakengates | 1,446.27 mi (2,327.54 km) |
| Oraiokastro to Oakham | 1,380.82 mi (2,222.22 km) |
| Oraiokastro to Oldbury | 1,424.19 mi (2,292.01 km) |
| Oraiokastro to Oldham | 1,459.46 mi (2,348.77 km) |
| Oraiokastro to Ollerton | 1,408.36 mi (2,266.54 km) |
| Oraiokastro to Olton | 1,414.21 mi (2,275.95 km) |
| Oraiokastro to Omagh | 1,680.15 mi (2,703.94 km) |
| Oraiokastro to Ormesby | 1,459.96 mi (2,349.57 km) |
| Oraiokastro to Ormskirk | 1,488.40 mi (2,395.34 km) |
| Oraiokastro to Orpington | 1,309.51 mi (2,107.46 km) |
| Oraiokastro to Ossett | 1,444.33 mi (2,324.43 km) |
| Oraiokastro to Oswaldtwistle | 1,475.78 mi (2,375.04 km) |
