| Haskovo to Oberriet | 868.13 mi (1,397.11 km) |
| Haskovo to Obersiggenthal | 928.34 mi (1,494.02 km) |
| Haskovo to Oberwil | 961.72 mi (1,547.74 km) |
| Haskovo to Oberwingert | 907.89 mi (1,461.11 km) |
| Haskovo to Oftringen | 941.57 mi (1,515.31 km) |
| Haskovo to Olten | 942.98 mi (1,517.58 km) |
| Haskovo to Onex | 1,007.22 mi (1,620.97 km) |
| Haskovo to Opfikon | 915.00 mi (1,472.54 km) |
| Haskovo to Ostermundigen | 954.11 mi (1,535.49 km) |
| Haskovo to Payerne | 977.26 mi (1,572.74 km) |
| Haskovo to Pfaffikon | 903.93 mi (1,454.74 km) |
| Haskovo to Plan-les-Ouates | 1,006.24 mi (1,619.39 km) |
| Haskovo to Pratteln | 955.30 mi (1,537.41 km) |
| Haskovo to Prilly | 988.39 mi (1,590.66 km) |
| Haskovo to Pully | 985.05 mi (1,585.28 km) |
