| Bethesda to Octeville | 3,643.26 mi (5,863.26 km) |
| Bethesda to Oignies | 3,816.43 mi (6,141.95 km) |
| Bethesda to Oissel | 3,765.36 mi (6,059.77 km) |
| Bethesda to Olivet | 3,837.25 mi (6,175.46 km) |
| Bethesda to Ollioules | 4,147.20 mi (6,674.28 km) |
| Bethesda to Olonne-sur-Mer | 3,710.85 mi (5,972.04 km) |
| Bethesda to Oloron-Sainte-Marie | 3,851.97 mi (6,199.15 km) |
| Bethesda to Onet Village | 3,964.15 mi (6,379.69 km) |
| Bethesda to Onnaing | 3,843.25 mi (6,185.12 km) |
| Bethesda to Orange | 4,069.97 mi (6,549.99 km) |
| Bethesda to Orchies | 3,826.56 mi (6,158.26 km) |
| Bethesda to Orleans | 3,836.61 mi (6,174.42 km) |
| Bethesda to Orly | 3,835.32 mi (6,172.35 km) |
| Bethesda to Ormesson-sur-Marne | 3,840.38 mi (6,180.49 km) |
| Bethesda to Orsay | 3,827.82 mi (6,160.28 km) |
