| Garching an der Alz to Octeville | 653.87 mi (1,052.31 km) |
| Garching an der Alz to Oignies | 461.27 mi (742.35 km) |
| Garching an der Alz to Oissel | 530.00 mi (852.96 km) |
| Garching an der Alz to Olivet | 493.89 mi (794.84 km) |
| Garching an der Alz to Ollioules | 473.15 mi (761.46 km) |
| Garching an der Alz to Olonne-sur-Mer | 680.11 mi (1,094.54 km) |
| Garching an der Alz to Oloron-Sainte-Marie | 720.76 mi (1,159.95 km) |
| Garching an der Alz to Onet Village | 542.59 mi (873.22 km) |
| Garching an der Alz to Onnaing | 434.20 mi (698.78 km) |
| Garching an der Alz to Orange | 462.36 mi (744.10 km) |
| Garching an der Alz to Orchies | 450.86 mi (725.59 km) |
| Garching an der Alz to Orleans | 493.23 mi (793.78 km) |
| Garching an der Alz to Orly | 468.84 mi (754.52 km) |
| Garching an der Alz to Ormesson-sur-Marne | 462.30 mi (744.00 km) |
| Garching an der Alz to Orsay | 478.13 mi (769.48 km) |
