| Erie to Octeville | 3,634.72 mi (5,849.51 km) |
| Erie to Oignies | 3,796.89 mi (6,110.50 km) |
| Erie to Oissel | 3,754.45 mi (6,042.21 km) |
| Erie to Olivet | 3,832.78 mi (6,168.26 km) |
| Erie to Ollioules | 4,158.94 mi (6,693.17 km) |
| Erie to Olonne-sur-Mer | 3,719.06 mi (5,985.26 km) |
| Erie to Oloron-Sainte-Marie | 3,875.41 mi (6,236.87 km) |
| Erie to Onet Village | 3,976.05 mi (6,398.83 km) |
| Erie to Onnaing | 3,823.26 mi (6,152.94 km) |
| Erie to Orange | 4,078.94 mi (6,564.42 km) |
| Erie to Orchies | 3,806.63 mi (6,126.18 km) |
| Erie to Orleans | 3,831.92 mi (6,166.87 km) |
| Erie to Orly | 3,825.56 mi (6,156.65 km) |
| Erie to Ormesson-sur-Marne | 3,830.18 mi (6,164.08 km) |
| Erie to Orsay | 3,818.61 mi (6,145.46 km) |
