| Haskovo to Oignies | 1,223.12 mi (1,968.43 km) |
| Haskovo to Oissel | 1,281.05 mi (2,061.66 km) |
| Haskovo to Olivet | 1,222.79 mi (1,967.89 km) |
| Haskovo to Ollioules | 1,005.08 mi (1,617.52 km) |
| Haskovo to Olonne-sur-Mer | 1,382.78 mi (2,225.37 km) |
| Haskovo to Oloron-Sainte-Marie | 1,329.35 mi (2,139.38 km) |
| Haskovo to Onet Village | 1,166.24 mi (1,876.88 km) |
| Haskovo to Onnaing | 1,196.23 mi (1,925.14 km) |
| Haskovo to Orange | 1,056.40 mi (1,700.11 km) |
| Haskovo to Orchies | 1,212.92 mi (1,952.00 km) |
| Haskovo to Orleans | 1,222.91 mi (1,968.08 km) |
| Haskovo to Orly | 1,213.79 mi (1,953.41 km) |
| Haskovo to Ormesson-sur-Marne | 1,208.08 mi (1,944.22 km) |
| Haskovo to Orsay | 1,222.12 mi (1,966.81 km) |
| Haskovo to Orthez | 1,335.83 mi (2,149.82 km) |
