| Gera to Octeville | 611.64 mi (984.34 km) |
| Gera to Oignies | 398.76 mi (641.74 km) |
| Gera to Oissel | 498.01 mi (801.47 km) |
| Gera to Olivet | 502.74 mi (809.09 km) |
| Gera to Ollioules | 609.73 mi (981.27 km) |
| Gera to Olonne-sur-Mer | 697.99 mi (1,123.30 km) |
| Gera to Oloron-Sainte-Marie | 797.46 mi (1,283.39 km) |
| Gera to Onet Village | 629.85 mi (1,013.65 km) |
| Gera to Onnaing | 373.20 mi (600.61 km) |
| Gera to Orange | 575.81 mi (926.67 km) |
| Gera to Orchies | 387.79 mi (624.08 km) |
| Gera to Orleans | 501.14 mi (806.51 km) |
| Gera to Orly | 456.17 mi (734.14 km) |
| Gera to Ormesson-sur-Marne | 448.94 mi (722.51 km) |
| Gera to Orsay | 466.03 mi (750.00 km) |
