| Williston to Octeville | 4,245.36 mi (6,832.24 km) |
| Williston to Oignies | 4,355.73 mi (7,009.88 km) |
| Williston to Oissel | 4,348.76 mi (6,998.65 km) |
| Williston to Olivet | 4,446.36 mi (7,155.72 km) |
| Williston to Ollioules | 4,814.21 mi (7,747.72 km) |
| Williston to Olonne-sur-Mer | 4,385.56 mi (7,057.87 km) |
| Williston to Oloron-Sainte-Marie | 4,587.08 mi (7,382.19 km) |
| Williston to Onet Village | 4,641.49 mi (7,469.75 km) |
| Williston to Onnaing | 4,378.68 mi (7,046.81 km) |
| Williston to Orange | 4,728.28 mi (7,609.43 km) |
| Williston to Orchies | 4,363.36 mi (7,022.15 km) |
| Williston to Orleans | 4,444.76 mi (7,153.16 km) |
| Williston to Orly | 4,419.85 mi (7,113.06 km) |
| Williston to Ormesson-sur-Marne | 4,422.54 mi (7,117.39 km) |
| Williston to Orsay | 4,415.38 mi (7,105.87 km) |
