| Buzau to Octeville | 1,358.06 mi (2,185.58 km) |
| Buzau to Oignies | 1,159.10 mi (1,865.39 km) |
| Buzau to Oissel | 1,234.46 mi (1,986.67 km) |
| Buzau to Olivet | 1,194.38 mi (1,922.17 km) |
| Buzau to Ollioules | 1,046.12 mi (1,683.56 km) |
| Buzau to Olonne-sur-Mer | 1,372.00 mi (2,208.02 km) |
| Buzau to Oloron-Sainte-Marie | 1,359.33 mi (2,187.62 km) |
| Buzau to Onet Village | 1,185.40 mi (1,907.72 km) |
| Buzau to Onnaing | 1,131.93 mi (1,821.67 km) |
| Buzau to Orange | 1,080.92 mi (1,739.58 km) |
| Buzau to Orchies | 1,148.29 mi (1,847.99 km) |
| Buzau to Orleans | 1,193.98 mi (1,921.53 km) |
| Buzau to Orly | 1,173.19 mi (1,888.07 km) |
| Buzau to Ormesson-sur-Marne | 1,166.73 mi (1,877.68 km) |
| Buzau to Orsay | 1,182.39 mi (1,902.87 km) |
