| Tecuci to Octeville | 1,366.89 mi (2,199.80 km) |
| Tecuci to Oignies | 1,164.62 mi (1,874.27 km) |
| Tecuci to Oissel | 1,243.99 mi (2,002.01 km) |
| Tecuci to Olivet | 1,208.57 mi (1,945.00 km) |
| Tecuci to Ollioules | 1,076.53 mi (1,732.51 km) |
| Tecuci to Olonne-sur-Mer | 1,389.49 mi (2,236.16 km) |
| Tecuci to Oloron-Sainte-Marie | 1,385.92 mi (2,230.42 km) |
| Tecuci to Onet Village | 1,210.46 mi (1,948.05 km) |
| Tecuci to Onnaing | 1,137.54 mi (1,830.70 km) |
| Tecuci to Orange | 1,107.71 mi (1,782.69 km) |
| Tecuci to Orchies | 1,153.71 mi (1,856.72 km) |
| Tecuci to Orleans | 1,208.05 mi (1,944.17 km) |
| Tecuci to Orly | 1,184.54 mi (1,906.34 km) |
| Tecuci to Ormesson-sur-Marne | 1,177.94 mi (1,895.71 km) |
| Tecuci to Orsay | 1,193.90 mi (1,921.39 km) |
