| Oak Ridge to Norwich | 4,124.89 mi (6,638.37 km) |
| Oak Ridge to Nottingham | 4,021.29 mi (6,471.64 km) |
| Oak Ridge to Nuneaton | 4,018.40 mi (6,466.99 km) |
| Oak Ridge to Oadby | 4,032.23 mi (6,489.25 km) |
| Oak Ridge to Oakengates | 3,975.52 mi (6,397.99 km) |
| Oak Ridge to Oakham | 4,044.16 mi (6,508.44 km) |
| Oak Ridge to Oldbury | 3,997.00 mi (6,432.56 km) |
| Oak Ridge to Oldham | 3,970.43 mi (6,389.79 km) |
| Oak Ridge to Ollerton | 4,020.85 mi (6,470.94 km) |
| Oak Ridge to Olton | 4,006.87 mi (6,448.44 km) |
| Oak Ridge to Omagh | 3,748.98 mi (6,033.41 km) |
| Oak Ridge to Ormesby | 3,985.04 mi (6,413.31 km) |
| Oak Ridge to Ormskirk | 3,939.86 mi (6,340.59 km) |
| Oak Ridge to Orpington | 4,108.14 mi (6,611.41 km) |
| Oak Ridge to Ossett | 3,988.43 mi (6,418.75 km) |
