| Watervliet to Octeville | 3,346.72 mi (5,386.02 km) |
| Watervliet to Oignies | 3,515.92 mi (5,658.33 km) |
| Watervliet to Oissel | 3,467.99 mi (5,581.20 km) |
| Watervliet to Olivet | 3,542.52 mi (5,701.14 km) |
| Watervliet to Ollioules | 3,860.04 mi (6,212.13 km) |
| Watervliet to Olonne-sur-Mer | 3,421.65 mi (5,506.61 km) |
| Watervliet to Oloron-Sainte-Marie | 3,570.57 mi (5,746.28 km) |
| Watervliet to Onet Village | 3,676.92 mi (5,917.43 km) |
| Watervliet to Onnaing | 3,542.60 mi (5,701.27 km) |
| Watervliet to Orange | 3,781.41 mi (6,085.60 km) |
| Watervliet to Orchies | 3,525.92 mi (5,674.42 km) |
| Watervliet to Orleans | 3,541.79 mi (5,699.95 km) |
| Watervliet to Orly | 3,538.45 mi (5,694.59 km) |
| Watervliet to Ormesson-sur-Marne | 3,543.34 mi (5,702.46 km) |
| Watervliet to Orsay | 3,531.16 mi (5,682.86 km) |
