| Stara Zagora to Oignies | 1,206.34 mi (1,941.41 km) |
| Stara Zagora to Oissel | 1,266.78 mi (2,038.68 km) |
| Stara Zagora to Olivet | 1,210.95 mi (1,948.83 km) |
| Stara Zagora to Ollioules | 1,003.00 mi (1,614.17 km) |
| Stara Zagora to Olonne-sur-Mer | 1,373.81 mi (2,210.93 km) |
| Stara Zagora to Oloron-Sainte-Marie | 1,326.38 mi (2,134.61 km) |
| Stara Zagora to Onet Village | 1,161.26 mi (1,868.86 km) |
| Stara Zagora to Onnaing | 1,179.35 mi (1,897.97 km) |
| Stara Zagora to Orange | 1,051.93 mi (1,692.91 km) |
| Stara Zagora to Orchies | 1,196.03 mi (1,924.82 km) |
| Stara Zagora to Orleans | 1,210.99 mi (1,948.90 km) |
| Stara Zagora to Orly | 1,200.21 mi (1,931.55 km) |
| Stara Zagora to Ormesson-sur-Marne | 1,194.38 mi (1,922.17 km) |
| Stara Zagora to Orsay | 1,208.67 mi (1,945.17 km) |
| Stara Zagora to Orthez | 1,332.31 mi (2,144.15 km) |
