| Patchogue to Octeville | 3,395.77 mi (5,464.96 km) |
| Patchogue to Oignies | 3,570.42 mi (5,746.04 km) |
| Patchogue to Oissel | 3,518.11 mi (5,661.85 km) |
| Patchogue to Olivet | 3,589.20 mi (5,776.26 km) |
| Patchogue to Ollioules | 3,897.85 mi (6,272.99 km) |
| Patchogue to Olonne-sur-Mer | 3,461.77 mi (5,571.18 km) |
| Patchogue to Oloron-Sainte-Marie | 3,602.37 mi (5,797.46 km) |
| Patchogue to Onet Village | 3,714.83 mi (5,978.44 km) |
| Patchogue to Onnaing | 3,597.30 mi (5,789.29 km) |
| Patchogue to Orange | 3,820.77 mi (6,148.94 km) |
| Patchogue to Orchies | 3,580.61 mi (5,762.43 km) |
| Patchogue to Orleans | 3,588.58 mi (5,775.26 km) |
| Patchogue to Orly | 3,587.88 mi (5,774.14 km) |
| Patchogue to Ormesson-sur-Marne | 3,592.99 mi (5,782.37 km) |
| Patchogue to Orsay | 3,580.32 mi (5,761.97 km) |
