| Karnobat to Oberriet | 908.30 mi (1,461.76 km) |
| Karnobat to Obersiggenthal | 968.97 mi (1,559.41 km) |
| Karnobat to Oberwil | 1,002.94 mi (1,614.07 km) |
| Karnobat to Oberwingert | 947.85 mi (1,525.41 km) |
| Karnobat to Oftringen | 983.49 mi (1,582.78 km) |
| Karnobat to Olten | 984.74 mi (1,584.79 km) |
| Karnobat to Onex | 1,056.19 mi (1,699.77 km) |
| Karnobat to Opfikon | 955.64 mi (1,537.95 km) |
| Karnobat to Ostermundigen | 998.32 mi (1,606.64 km) |
| Karnobat to Payerne | 1,022.60 mi (1,645.71 km) |
| Karnobat to Pfaffikon | 944.71 mi (1,520.36 km) |
| Karnobat to Plan-les-Ouates | 1,055.28 mi (1,698.30 km) |
| Karnobat to Pratteln | 996.36 mi (1,603.49 km) |
| Karnobat to Prilly | 1,035.37 mi (1,666.27 km) |
| Karnobat to Pully | 1,032.07 mi (1,660.96 km) |
