| Graz to Oignies | 612.48 mi (985.69 km) |
| Graz to Oissel | 677.89 mi (1,090.96 km) |
| Graz to Olivet | 633.88 mi (1,020.13 km) |
| Graz to Ollioules | 540.35 mi (869.61 km) |
| Graz to Olonne-sur-Mer | 813.20 mi (1,308.72 km) |
| Graz to Oloron-Sainte-Marie | 824.91 mi (1,327.56 km) |
| Graz to Onet Village | 646.35 mi (1,040.21 km) |
| Graz to Onnaing | 585.44 mi (942.18 km) |
| Graz to Orange | 551.72 mi (887.91 km) |
| Graz to Orchies | 602.12 mi (969.02 km) |
| Graz to Orleans | 633.49 mi (1,019.51 km) |
| Graz to Orly | 614.37 mi (988.74 km) |
| Graz to Ormesson-sur-Marne | 608.10 mi (978.64 km) |
| Graz to Orsay | 623.37 mi (1,003.22 km) |
| Graz to Orthez | 824.26 mi (1,326.51 km) |
