| Haskovo to Novi di Modena | 762.75 mi (1,227.53 km) |
| Haskovo to Novi Ligure | 863.80 mi (1,390.15 km) |
| Haskovo to Nuoro | 850.93 mi (1,369.44 km) |
| Haskovo to Occhiobello | 730.44 mi (1,175.54 km) |
| Haskovo to Oderzo | 702.46 mi (1,130.50 km) |
| Haskovo to Oggiono | 848.80 mi (1,366.02 km) |
| Haskovo to Olbia | 834.11 mi (1,342.36 km) |
| Haskovo to Oleggio | 880.15 mi (1,416.46 km) |
| Haskovo to Olgiate Comasco | 866.86 mi (1,395.07 km) |
| Haskovo to Olgiate Olona | 868.72 mi (1,398.08 km) |
| Haskovo to Omegna | 894.58 mi (1,439.68 km) |
| Haskovo to Opera | 849.62 mi (1,367.34 km) |
| Haskovo to Oppeano | 754.92 mi (1,214.93 km) |
| Haskovo to Orbassano | 926.57 mi (1,491.17 km) |
| Haskovo to Orbetello | 734.83 mi (1,182.59 km) |
