| Monserrat to Nottingham | 939.74 mi (1,512.36 km) |
| Monserrat to Nuneaton | 910.58 mi (1,465.44 km) |
| Monserrat to Oadby | 915.16 mi (1,472.80 km) |
| Monserrat to Oakengates | 925.70 mi (1,489.78 km) |
| Monserrat to Oakham | 919.86 mi (1,480.37 km) |
| Monserrat to Oldbury | 910.89 mi (1,465.94 km) |
| Monserrat to Oldham | 982.81 mi (1,581.67 km) |
| Monserrat to Ollerton | 956.63 mi (1,539.54 km) |
| Monserrat to Olton | 905.57 mi (1,457.37 km) |
| Monserrat to Omagh | 1,097.45 mi (1,766.17 km) |
| Monserrat to Ormesby | 1,049.99 mi (1,689.80 km) |
| Monserrat to Ormskirk | 987.61 mi (1,589.41 km) |
| Monserrat to Orpington | 830.95 mi (1,337.29 km) |
| Monserrat to Ossett | 990.65 mi (1,594.30 km) |
| Monserrat to Oswaldtwistle | 997.49 mi (1,605.31 km) |
