| Olesa de Montserrat to Nottingham | 800.87 mi (1,288.88 km) |
| Olesa de Montserrat to Nuneaton | 774.63 mi (1,246.65 km) |
| Olesa de Montserrat to Oadby | 776.25 mi (1,249.25 km) |
| Olesa de Montserrat to Oakengates | 796.64 mi (1,282.07 km) |
| Olesa de Montserrat to Oakham | 778.43 mi (1,252.76 km) |
| Olesa de Montserrat to Oldbury | 779.04 mi (1,253.74 km) |
| Olesa de Montserrat to Oldham | 849.57 mi (1,367.26 km) |
| Olesa de Montserrat to Ollerton | 816.57 mi (1,314.14 km) |
| Olesa de Montserrat to Olton | 772.28 mi (1,242.87 km) |
| Olesa de Montserrat to Omagh | 994.14 mi (1,599.92 km) |
| Olesa de Montserrat to Ormesby | 909.44 mi (1,463.60 km) |
| Olesa de Montserrat to Ormskirk | 859.51 mi (1,383.25 km) |
| Olesa de Montserrat to Orpington | 684.43 mi (1,101.48 km) |
| Olesa de Montserrat to Ossett | 853.66 mi (1,373.83 km) |
| Olesa de Montserrat to Oswaldtwistle | 865.70 mi (1,393.21 km) |
