| Gheorgheni to Octeville | 1,263.62 mi (2,033.61 km) |
| Gheorgheni to Oignies | 1,060.05 mi (1,705.98 km) |
| Gheorgheni to Oissel | 1,141.16 mi (1,836.51 km) |
| Gheorgheni to Olivet | 1,108.61 mi (1,784.13 km) |
| Gheorgheni to Ollioules | 994.01 mi (1,599.71 km) |
| Gheorgheni to Olonne-sur-Mer | 1,291.81 mi (2,078.96 km) |
| Gheorgheni to Oloron-Sainte-Marie | 1,297.48 mi (2,088.09 km) |
| Gheorgheni to Onet Village | 1,120.54 mi (1,803.34 km) |
| Gheorgheni to Onnaing | 1,033.02 mi (1,662.49 km) |
| Gheorgheni to Orange | 1,020.16 mi (1,641.80 km) |
| Gheorgheni to Orchies | 1,049.11 mi (1,688.38 km) |
| Gheorgheni to Orleans | 1,108.00 mi (1,783.15 km) |
| Gheorgheni to Orly | 1,082.77 mi (1,742.56 km) |
| Gheorgheni to Ormesson-sur-Marne | 1,076.09 mi (1,731.80 km) |
| Gheorgheni to Orsay | 1,092.21 mi (1,757.75 km) |
