| Barcs to Octeville | 919.35 mi (1,479.55 km) |
| Barcs to Oignies | 733.66 mi (1,180.72 km) |
| Barcs to Oissel | 795.05 mi (1,279.51 km) |
| Barcs to Olivet | 744.75 mi (1,198.55 km) |
| Barcs to Ollioules | 603.45 mi (971.16 km) |
| Barcs to Olonne-sur-Mer | 917.54 mi (1,476.64 km) |
| Barcs to Oloron-Sainte-Marie | 907.36 mi (1,460.25 km) |
| Barcs to Onet Village | 731.48 mi (1,177.20 km) |
| Barcs to Onnaing | 706.73 mi (1,137.38 km) |
| Barcs to Orange | 629.50 mi (1,013.08 km) |
| Barcs to Orchies | 723.42 mi (1,164.24 km) |
| Barcs to Orleans | 744.57 mi (1,198.26 km) |
| Barcs to Orly | 729.69 mi (1,174.33 km) |
| Barcs to Ormesson-sur-Marne | 723.66 mi (1,164.61 km) |
| Barcs to Orsay | 738.41 mi (1,188.36 km) |
