| Alpena to Norwich | 3,660.91 mi (5,891.66 km) |
| Alpena to Nottingham | 3,560.00 mi (5,729.27 km) |
| Alpena to Nuneaton | 3,561.47 mi (5,731.63 km) |
| Alpena to Oadby | 3,573.79 mi (5,751.46 km) |
| Alpena to Oakengates | 3,519.25 mi (5,663.68 km) |
| Alpena to Oakham | 3,584.35 mi (5,768.46 km) |
| Alpena to Oldbury | 3,541.43 mi (5,699.38 km) |
| Alpena to Oldham | 3,506.12 mi (5,642.56 km) |
| Alpena to Ollerton | 3,557.20 mi (5,724.76 km) |
| Alpena to Olton | 3,551.42 mi (5,715.45 km) |
| Alpena to Omagh | 3,285.08 mi (5,286.82 km) |
| Alpena to Ormesby | 3,510.41 mi (5,649.47 km) |
| Alpena to Ormskirk | 3,476.92 mi (5,595.56 km) |
| Alpena to Orpington | 3,657.37 mi (5,885.96 km) |
| Alpena to Ossett | 3,521.88 mi (5,667.91 km) |
