| Elk City to Octeville | 4,719.62 mi (7,595.49 km) |
| Elk City to Oignies | 4,866.07 mi (7,831.18 km) |
| Elk City to Oissel | 4,835.34 mi (7,781.72 km) |
| Elk City to Olivet | 4,920.72 mi (7,919.13 km) |
| Elk City to Ollioules | 5,262.12 mi (8,468.56 km) |
| Elk City to Olonne-sur-Mer | 4,821.54 mi (7,759.52 km) |
| Elk City to Oloron-Sainte-Marie | 4,990.60 mi (8,031.59 km) |
| Elk City to Onet Village | 5,080.47 mi (8,176.23 km) |
| Elk City to Onnaing | 4,891.52 mi (7,872.15 km) |
| Elk City to Orange | 5,179.82 mi (8,336.11 km) |
| Elk City to Orchies | 4,875.17 mi (7,845.82 km) |
| Elk City to Orleans | 4,919.62 mi (7,917.36 km) |
| Elk City to Orly | 4,907.21 mi (7,897.39 km) |
| Elk City to Ormesson-sur-Marne | 4,911.24 mi (7,903.88 km) |
| Elk City to Orsay | 4,901.00 mi (7,887.40 km) |
