| Balchik to Nottingham | 1,487.96 mi (2,394.63 km) |
| Balchik to Nuneaton | 1,493.85 mi (2,404.11 km) |
| Balchik to Oadby | 1,479.04 mi (2,380.28 km) |
| Balchik to Oakengates | 1,536.69 mi (2,473.06 km) |
| Balchik to Oakham | 1,466.27 mi (2,359.73 km) |
| Balchik to Oldbury | 1,516.05 mi (2,439.85 km) |
| Balchik to Oldham | 1,536.91 mi (2,473.41 km) |
| Balchik to Ollerton | 1,487.09 mi (2,393.23 km) |
| Balchik to Olton | 1,506.42 mi (2,424.35 km) |
| Balchik to Omagh | 1,757.47 mi (2,828.37 km) |
| Balchik to Ormesby | 1,520.16 mi (2,446.47 km) |
| Balchik to Ormskirk | 1,567.91 mi (2,523.31 km) |
| Balchik to Orpington | 1,411.62 mi (2,271.78 km) |
| Balchik to Ossett | 1,518.12 mi (2,443.17 km) |
| Balchik to Oswaldtwistle | 1,551.34 mi (2,496.63 km) |
