| Breaza to Octeville | 1,305.32 mi (2,100.72 km) |
| Breaza to Oignies | 1,107.82 mi (1,782.87 km) |
| Breaza to Oissel | 1,181.53 mi (1,901.49 km) |
| Breaza to Olivet | 1,139.95 mi (1,834.57 km) |
| Breaza to Ollioules | 989.71 mi (1,592.79 km) |
| Breaza to Olonne-sur-Mer | 1,316.68 mi (2,119.00 km) |
| Breaza to Oloron-Sainte-Marie | 1,302.86 mi (2,096.74 km) |
| Breaza to Onet Village | 1,129.01 mi (1,816.96 km) |
| Breaza to Onnaing | 1,080.63 mi (1,739.11 km) |
| Breaza to Orange | 1,024.46 mi (1,648.70 km) |
| Breaza to Orchies | 1,097.06 mi (1,765.55 km) |
| Breaza to Orleans | 1,139.59 mi (1,833.99 km) |
| Breaza to Orly | 1,119.66 mi (1,801.92 km) |
| Breaza to Ormesson-sur-Marne | 1,113.25 mi (1,791.60 km) |
| Breaza to Orsay | 1,128.79 mi (1,816.61 km) |
