| Ruse to Oignies | 1,166.52 mi (1,877.33 km) |
| Ruse to Oissel | 1,234.15 mi (1,986.17 km) |
| Ruse to Olivet | 1,185.65 mi (1,908.13 km) |
| Ruse to Ollioules | 1,006.67 mi (1,620.08 km) |
| Ruse to Olonne-sur-Mer | 1,356.18 mi (2,182.56 km) |
| Ruse to Oloron-Sainte-Marie | 1,325.97 mi (2,133.94 km) |
| Ruse to Onet Village | 1,155.87 mi (1,860.19 km) |
| Ruse to Onnaing | 1,139.35 mi (1,833.61 km) |
| Ruse to Orange | 1,048.57 mi (1,687.51 km) |
| Ruse to Orchies | 1,155.94 mi (1,860.31 km) |
| Ruse to Orleans | 1,185.49 mi (1,907.86 km) |
| Ruse to Orly | 1,169.88 mi (1,882.73 km) |
| Ruse to Ormesson-sur-Marne | 1,163.73 mi (1,872.84 km) |
| Ruse to Orsay | 1,178.72 mi (1,896.96 km) |
| Ruse to Orthez | 1,330.31 mi (2,140.93 km) |
