| Frederikssund to Nottingham | 566.60 mi (911.85 km) |
| Frederikssund to Nuneaton | 591.93 mi (952.62 km) |
| Frederikssund to Oadby | 574.96 mi (925.30 km) |
| Frederikssund to Oakengates | 623.25 mi (1,003.02 km) |
| Frederikssund to Oakham | 559.93 mi (901.12 km) |
| Frederikssund to Oldbury | 612.89 mi (986.34 km) |
| Frederikssund to Oldham | 586.93 mi (944.57 km) |
| Frederikssund to Ollerton | 554.48 mi (892.35 km) |
| Frederikssund to Olton | 607.25 mi (977.27 km) |
| Frederikssund to Omagh | 765.33 mi (1,231.68 km) |
| Frederikssund to Ormesby | 529.15 mi (851.59 km) |
| Frederikssund to Ormskirk | 615.88 mi (991.16 km) |
| Frederikssund to Orpington | 578.20 mi (930.52 km) |
| Frederikssund to Ossett | 563.02 mi (906.10 km) |
| Frederikssund to Oswaldtwistle | 592.68 mi (953.83 km) |
