| Obidos to Nottingham | 1,013.00 mi (1,630.27 km) |
| Obidos to Nuneaton | 980.44 mi (1,577.86 km) |
| Obidos to Oadby | 992.24 mi (1,596.85 km) |
| Obidos to Oakengates | 975.00 mi (1,569.11 km) |
| Obidos to Oakham | 1,003.08 mi (1,614.30 km) |
| Obidos to Oldbury | 969.87 mi (1,560.86 km) |
| Obidos to Oldham | 1,034.66 mi (1,665.13 km) |
| Obidos to Ollerton | 1,030.73 mi (1,658.79 km) |
| Obidos to Olton | 969.17 mi (1,559.74 km) |
| Obidos to Omagh | 1,056.00 mi (1,699.47 km) |
| Obidos to Ormesby | 1,113.26 mi (1,791.62 km) |
| Obidos to Ormskirk | 1,025.08 mi (1,649.71 km) |
| Obidos to Orpington | 942.30 mi (1,516.48 km) |
| Obidos to Ossett | 1,051.65 mi (1,692.46 km) |
| Obidos to Oswaldtwistle | 1,043.42 mi (1,679.23 km) |
