| Passaic to Octeville | 3,438.93 mi (5,534.43 km) |
| Passaic to Oignies | 3,611.95 mi (5,812.88 km) |
| Passaic to Oissel | 3,560.98 mi (5,730.85 km) |
| Passaic to Olivet | 3,633.10 mi (5,846.91 km) |
| Passaic to Ollioules | 3,944.24 mi (6,347.65 km) |
| Passaic to Olonne-sur-Mer | 3,507.47 mi (5,644.73 km) |
| Passaic to Oloron-Sainte-Marie | 3,650.23 mi (5,874.48 km) |
| Passaic to Onet Village | 3,761.16 mi (6,053.00 km) |
| Passaic to Onnaing | 3,638.78 mi (5,856.05 km) |
| Passaic to Orange | 3,866.74 mi (6,222.92 km) |
| Passaic to Orchies | 3,622.08 mi (5,829.18 km) |
| Passaic to Orleans | 3,632.44 mi (5,845.85 km) |
| Passaic to Orly | 3,630.97 mi (5,843.49 km) |
| Passaic to Ormesson-sur-Marne | 3,636.02 mi (5,851.61 km) |
| Passaic to Orsay | 3,623.49 mi (5,831.44 km) |
