| Greiz to Octeville | 616.17 mi (991.63 km) |
| Greiz to Oignies | 404.01 mi (650.19 km) |
| Greiz to Oissel | 501.13 mi (806.49 km) |
| Greiz to Olivet | 502.31 mi (808.39 km) |
| Greiz to Ollioules | 599.14 mi (964.22 km) |
| Greiz to Olonne-sur-Mer | 697.61 mi (1,122.70 km) |
| Greiz to Oloron-Sainte-Marie | 792.34 mi (1,275.15 km) |
| Greiz to Onet Village | 623.40 mi (1,003.26 km) |
| Greiz to Onnaing | 378.10 mi (608.49 km) |
| Greiz to Orange | 567.01 mi (912.52 km) |
| Greiz to Orchies | 393.00 mi (632.47 km) |
| Greiz to Orleans | 500.78 mi (805.93 km) |
| Greiz to Orly | 457.32 mi (735.99 km) |
| Greiz to Ormesson-sur-Marne | 450.10 mi (724.37 km) |
| Greiz to Orsay | 467.19 mi (751.88 km) |
