| Sandanski to Oignies | 1,145.71 mi (1,843.84 km) |
| Sandanski to Oissel | 1,196.08 mi (1,924.90 km) |
| Sandanski to Olivet | 1,131.62 mi (1,821.17 km) |
| Sandanski to Ollioules | 895.19 mi (1,440.68 km) |
| Sandanski to Olonne-sur-Mer | 1,284.57 mi (2,067.32 km) |
| Sandanski to Oloron-Sainte-Marie | 1,220.23 mi (1,963.77 km) |
| Sandanski to Onet Village | 1,060.73 mi (1,707.07 km) |
| Sandanski to Onnaing | 1,119.22 mi (1,801.21 km) |
| Sandanski to Orange | 950.25 mi (1,529.29 km) |
| Sandanski to Orchies | 1,135.87 mi (1,828.00 km) |
| Sandanski to Orleans | 1,131.92 mi (1,821.66 km) |
| Sandanski to Orly | 1,127.16 mi (1,813.99 km) |
| Sandanski to Ormesson-sur-Marne | 1,121.79 mi (1,805.34 km) |
| Sandanski to Orsay | 1,135.08 mi (1,826.73 km) |
| Sandanski to Orthez | 1,227.58 mi (1,975.60 km) |
