| Holtsville to Octeville | 3,394.85 mi (5,463.48 km) |
| Holtsville to Oignies | 3,569.36 mi (5,744.33 km) |
| Holtsville to Oissel | 3,517.17 mi (5,660.34 km) |
| Holtsville to Olivet | 3,588.36 mi (5,774.90 km) |
| Holtsville to Ollioules | 3,897.26 mi (6,272.03 km) |
| Holtsville to Olonne-sur-Mer | 3,461.10 mi (5,570.10 km) |
| Holtsville to Oloron-Sainte-Marie | 3,601.93 mi (5,796.75 km) |
| Holtsville to Onet Village | 3,714.22 mi (5,977.46 km) |
| Holtsville to Onnaing | 3,596.23 mi (5,787.58 km) |
| Holtsville to Orange | 3,820.13 mi (6,147.90 km) |
| Holtsville to Orchies | 3,579.54 mi (5,760.71 km) |
| Holtsville to Orleans | 3,587.73 mi (5,773.89 km) |
| Holtsville to Orly | 3,586.96 mi (5,772.65 km) |
| Holtsville to Ormesson-sur-Marne | 3,592.06 mi (5,780.87 km) |
| Holtsville to Orsay | 3,579.40 mi (5,760.49 km) |
