| Westerville to Norwich | 3,870.41 mi (6,228.83 km) |
| Westerville to Nottingham | 3,767.56 mi (6,063.30 km) |
| Westerville to Nuneaton | 3,766.20 mi (6,061.12 km) |
| Westerville to Oadby | 3,779.53 mi (6,082.56 km) |
| Westerville to Oakengates | 3,723.47 mi (5,992.34 km) |
| Westerville to Oakham | 3,790.99 mi (6,101.02 km) |
| Westerville to Oldbury | 3,745.24 mi (6,027.39 km) |
| Westerville to Oldham | 3,715.53 mi (5,979.57 km) |
| Westerville to Ollerton | 3,766.29 mi (6,061.25 km) |
| Westerville to Olton | 3,755.17 mi (6,043.37 km) |
| Westerville to Omagh | 3,493.76 mi (5,622.66 km) |
| Westerville to Ormesby | 3,726.58 mi (5,997.36 km) |
| Westerville to Ormskirk | 3,685.38 mi (5,931.04 km) |
| Westerville to Orpington | 3,858.32 mi (6,209.37 km) |
| Westerville to Ossett | 3,732.78 mi (6,007.33 km) |
