| Weatherford to Octeville | 4,785.89 mi (7,702.15 km) |
| Weatherford to Oignies | 4,940.22 mi (7,950.51 km) |
| Weatherford to Oissel | 4,903.82 mi (7,891.94 km) |
| Weatherford to Olivet | 4,985.62 mi (8,023.57 km) |
| Weatherford to Ollioules | 5,318.19 mi (8,558.81 km) |
| Weatherford to Olonne-sur-Mer | 4,877.76 mi (7,850.00 km) |
| Weatherford to Oloron-Sainte-Marie | 5,037.74 mi (8,107.45 km) |
| Weatherford to Onet Village | 5,135.59 mi (8,264.94 km) |
| Weatherford to Onnaing | 4,966.13 mi (7,992.21 km) |
| Weatherford to Orange | 5,237.34 mi (8,428.68 km) |
| Weatherford to Orchies | 4,949.62 mi (7,965.65 km) |
| Weatherford to Orleans | 4,984.64 mi (8,022.01 km) |
| Weatherford to Orly | 4,975.40 mi (8,007.14 km) |
| Weatherford to Ormesson-sur-Marne | 4,979.74 mi (8,014.12 km) |
| Weatherford to Orsay | 4,968.81 mi (7,996.52 km) |
