| Friedland to Smolyan | 973.74 mi (1,567.08 km) |
| Friedland to Sofia | 869.46 mi (1,399.26 km) |
| Friedland to Sopot | 920.90 mi (1,482.05 km) |
| Friedland to Sozopol | 1,039.40 mi (1,672.75 km) |
| Friedland to Sredets | 1,023.96 mi (1,647.91 km) |
| Friedland to Stamboliyski | 939.55 mi (1,512.05 km) |
| Friedland to Stara Zagora | 963.56 mi (1,550.69 km) |
| Friedland to Svilengrad | 1,016.28 mi (1,635.54 km) |
| Friedland to Svishtov | 895.89 mi (1,441.80 km) |
| Friedland to Targovishte | 958.80 mi (1,543.03 km) |
| Friedland to Teteven | 890.64 mi (1,433.35 km) |
| Friedland to Troyan | 908.15 mi (1,461.52 km) |
| Friedland to Tryavna | 936.99 mi (1,507.93 km) |
| Friedland to Tutrakan | 924.11 mi (1,487.21 km) |
| Friedland to Varna | 1,010.91 mi (1,626.90 km) |
