| Greer to Octeville | 4,039.23 mi (6,500.51 km) |
| Greer to Oignies | 4,213.43 mi (6,780.86 km) |
| Greer to Oissel | 4,161.56 mi (6,697.38 km) |
| Greer to Olivet | 4,232.55 mi (6,811.63 km) |
| Greer to Ollioules | 4,539.04 mi (7,304.88 km) |
| Greer to Olonne-sur-Mer | 4,103.91 mi (6,604.60 km) |
| Greer to Oloron-Sainte-Marie | 4,240.94 mi (6,825.14 km) |
| Greer to Onet Village | 4,356.13 mi (7,010.51 km) |
| Greer to Onnaing | 4,240.28 mi (6,824.07 km) |
| Greer to Orange | 4,462.54 mi (7,181.76 km) |
| Greer to Orchies | 4,223.58 mi (6,797.20 km) |
| Greer to Orleans | 4,231.93 mi (6,810.63 km) |
| Greer to Orly | 4,231.34 mi (6,809.69 km) |
| Greer to Ormesson-sur-Marne | 4,236.45 mi (6,817.91 km) |
| Greer to Orsay | 4,223.78 mi (6,797.51 km) |
