| Boise to Norwich | 4,824.25 mi (7,763.88 km) |
| Boise to Nottingham | 4,737.23 mi (7,623.83 km) |
| Boise to Nuneaton | 4,748.93 mi (7,642.66 km) |
| Boise to Oadby | 4,756.80 mi (7,655.33 km) |
| Boise to Oakengates | 4,711.29 mi (7,582.08 km) |
| Boise to Oakham | 4,763.36 mi (7,665.89 km) |
| Boise to Oldbury | 4,733.50 mi (7,617.84 km) |
| Boise to Oldham | 4,680.09 mi (7,531.87 km) |
| Boise to Ollerton | 4,728.93 mi (7,610.48 km) |
| Boise to Olton | 4,743.05 mi (7,633.20 km) |
| Boise to Omagh | 4,476.87 mi (7,204.82 km) |
| Boise to Ormesby | 4,658.39 mi (7,496.96 km) |
| Boise to Ormskirk | 4,656.36 mi (7,493.68 km) |
| Boise to Orpington | 4,852.34 mi (7,809.09 km) |
| Boise to Ossett | 4,689.19 mi (7,546.52 km) |
