| Kazanlak to Oberriet | 837.44 mi (1,347.73 km) |
| Kazanlak to Obersiggenthal | 897.94 mi (1,445.09 km) |
| Kazanlak to Oberwil | 931.64 mi (1,499.33 km) |
| Kazanlak to Oberwingert | 877.13 mi (1,411.61 km) |
| Kazanlak to Oftringen | 911.83 mi (1,467.45 km) |
| Kazanlak to Olten | 913.16 mi (1,469.60 km) |
| Kazanlak to Onex | 981.38 mi (1,579.38 km) |
| Kazanlak to Opfikon | 884.59 mi (1,423.60 km) |
| Kazanlak to Ostermundigen | 925.58 mi (1,489.57 km) |
| Kazanlak to Payerne | 949.35 mi (1,527.83 km) |
| Kazanlak to Pfaffikon | 873.58 mi (1,405.89 km) |
| Kazanlak to Plan-les-Ouates | 980.44 mi (1,577.86 km) |
| Kazanlak to Pratteln | 925.14 mi (1,488.86 km) |
| Kazanlak to Prilly | 961.40 mi (1,547.22 km) |
| Kazanlak to Pully | 958.08 mi (1,541.88 km) |
