| Boise to Octeville | 4,886.19 mi (7,863.56 km) |
| Boise to Oignies | 4,983.70 mi (8,020.49 km) |
| Boise to Oissel | 4,984.80 mi (8,022.27 km) |
| Boise to Olivet | 5,085.34 mi (8,184.06 km) |
| Boise to Ollioules | 5,457.91 mi (8,783.66 km) |
| Boise to Olonne-sur-Mer | 5,035.88 mi (8,104.46 km) |
| Boise to Oloron-Sainte-Marie | 5,243.78 mi (8,439.05 km) |
| Boise to Onet Village | 5,289.03 mi (8,511.87 km) |
| Boise to Onnaing | 5,005.52 mi (8,055.61 km) |
| Boise to Orange | 5,371.64 mi (8,644.82 km) |
| Boise to Orchies | 4,990.72 mi (8,031.80 km) |
| Boise to Orleans | 5,083.61 mi (8,181.28 km) |
| Boise to Orly | 5,054.97 mi (8,135.18 km) |
| Boise to Ormesson-sur-Marne | 5,057.20 mi (8,138.78 km) |
| Boise to Orsay | 5,051.11 mi (8,128.97 km) |
