| Siverek to Nottingham | 2,188.48 mi (3,522.01 km) |
| Siverek to Nuneaton | 2,195.46 mi (3,533.24 km) |
| Siverek to Oadby | 2,180.37 mi (3,508.97 km) |
| Siverek to Oakengates | 2,238.20 mi (3,602.04 km) |
| Siverek to Oakham | 2,167.33 mi (3,487.99 km) |
| Siverek to Oldbury | 2,217.84 mi (3,569.26 km) |
| Siverek to Oldham | 2,236.19 mi (3,598.79 km) |
| Siverek to Ollerton | 2,186.90 mi (3,519.47 km) |
| Siverek to Olton | 2,208.28 mi (3,553.89 km) |
| Siverek to Omagh | 2,455.51 mi (3,951.76 km) |
| Siverek to Ormesby | 2,215.42 mi (3,565.38 km) |
| Siverek to Ormskirk | 2,267.43 mi (3,649.08 km) |
| Siverek to Orpington | 2,114.72 mi (3,403.32 km) |
| Siverek to Ossett | 2,216.74 mi (3,567.50 km) |
| Siverek to Oswaldtwistle | 2,250.14 mi (3,621.25 km) |
