| Portes-les-Valence to Nottingham | 621.21 mi (999.74 km) |
| Portes-les-Valence to Nuneaton | 602.01 mi (968.83 km) |
| Portes-les-Valence to Oadby | 598.26 mi (962.80 km) |
| Portes-les-Valence to Oakengates | 634.35 mi (1,020.89 km) |
| Portes-les-Valence to Oakham | 595.79 mi (958.83 km) |
| Portes-les-Valence to Oldbury | 613.26 mi (986.95 km) |
| Portes-les-Valence to Oldham | 676.43 mi (1,088.61 km) |
| Portes-les-Valence to Ollerton | 633.77 mi (1,019.95 km) |
| Portes-les-Valence to Olton | 604.53 mi (972.90 km) |
| Portes-les-Valence to Omagh | 861.18 mi (1,385.94 km) |
| Portes-les-Valence to Ormesby | 720.60 mi (1,159.69 km) |
| Portes-les-Valence to Ormskirk | 694.42 mi (1,117.56 km) |
| Portes-les-Valence to Orpington | 500.04 mi (804.74 km) |
| Portes-les-Valence to Ossett | 673.84 mi (1,084.44 km) |
| Portes-les-Valence to Oswaldtwistle | 694.00 mi (1,116.89 km) |
