| Sredets to Oberriet | 927.08 mi (1,492.00 km) |
| Sredets to Obersiggenthal | 987.72 mi (1,589.58 km) |
| Sredets to Oberwil | 1,021.60 mi (1,644.11 km) |
| Sredets to Oberwingert | 966.69 mi (1,555.73 km) |
| Sredets to Oftringen | 1,002.04 mi (1,612.62 km) |
| Sredets to Olten | 1,003.32 mi (1,614.68 km) |
| Sredets to Onex | 1,073.52 mi (1,727.66 km) |
| Sredets to Opfikon | 974.37 mi (1,568.10 km) |
| Sredets to Ostermundigen | 1,016.49 mi (1,635.88 km) |
| Sredets to Payerne | 1,040.58 mi (1,674.66 km) |
| Sredets to Pfaffikon | 963.42 mi (1,550.48 km) |
| Sredets to Plan-les-Ouates | 1,072.59 mi (1,726.17 km) |
| Sredets to Pratteln | 1,015.05 mi (1,633.57 km) |
| Sredets to Prilly | 1,053.07 mi (1,694.75 km) |
| Sredets to Pully | 1,049.76 mi (1,689.43 km) |
