| Secaucus to Octeville | 3,439.40 mi (5,535.18 km) |
| Secaucus to Oignies | 3,612.67 mi (5,814.04 km) |
| Secaucus to Oissel | 3,561.50 mi (5,731.68 km) |
| Secaucus to Olivet | 3,633.46 mi (5,847.48 km) |
| Secaucus to Ollioules | 3,944.18 mi (6,347.55 km) |
| Secaucus to Olonne-sur-Mer | 3,507.53 mi (5,644.82 km) |
| Secaucus to Oloron-Sainte-Marie | 3,649.91 mi (5,873.96 km) |
| Secaucus to Onet Village | 3,761.11 mi (6,052.92 km) |
| Secaucus to Onnaing | 3,639.51 mi (5,857.22 km) |
| Secaucus to Orange | 3,866.75 mi (6,222.94 km) |
| Secaucus to Orchies | 3,622.81 mi (5,830.35 km) |
| Secaucus to Orleans | 3,632.80 mi (5,846.43 km) |
| Secaucus to Orly | 3,631.46 mi (5,844.26 km) |
| Secaucus to Ormesson-sur-Marne | 3,636.51 mi (5,852.40 km) |
| Secaucus to Orsay | 3,623.96 mi (5,832.20 km) |
