| Willowbrook to Octeville | 5,483.68 mi (8,825.14 km) |
| Willowbrook to Oignies | 5,595.98 mi (9,005.87 km) |
| Willowbrook to Oissel | 5,588.15 mi (8,993.26 km) |
| Willowbrook to Olivet | 5,685.05 mi (9,149.20 km) |
| Willowbrook to Ollioules | 6,051.04 mi (9,738.21 km) |
| Willowbrook to Olonne-sur-Mer | 5,619.66 mi (9,043.97 km) |
| Willowbrook to Oloron-Sainte-Marie | 5,816.20 mi (9,360.27 km) |
| Willowbrook to Onet Village | 5,876.77 mi (9,457.74 km) |
| Willowbrook to Onnaing | 5,618.96 mi (9,042.84 km) |
| Willowbrook to Orange | 5,965.33 mi (9,600.28 km) |
| Willowbrook to Orchies | 5,603.63 mi (9,018.16 km) |
| Willowbrook to Orleans | 5,683.49 mi (9,146.69 km) |
| Willowbrook to Orly | 5,659.37 mi (9,107.88 km) |
| Willowbrook to Ormesson-sur-Marne | 5,662.14 mi (9,112.33 km) |
| Willowbrook to Orsay | 5,654.80 mi (9,100.53 km) |
