| Prilly to Smolyan | 958.90 mi (1,543.20 km) |
| Prilly to Sofia | 862.44 mi (1,387.97 km) |
| Prilly to Sopot | 930.06 mi (1,496.79 km) |
| Prilly to Sozopol | 1,074.81 mi (1,729.74 km) |
| Prilly to Sredets | 1,053.07 mi (1,694.75 km) |
| Prilly to Stamboliyski | 934.51 mi (1,503.94 km) |
| Prilly to Stara Zagora | 978.07 mi (1,574.06 km) |
| Prilly to Svilengrad | 1,022.77 mi (1,646.00 km) |
| Prilly to Svishtov | 934.39 mi (1,503.76 km) |
| Prilly to Targovishte | 1,001.18 mi (1,611.24 km) |
| Prilly to Teteven | 900.36 mi (1,448.98 km) |
| Prilly to Troyan | 922.32 mi (1,484.33 km) |
| Prilly to Tryavna | 959.53 mi (1,544.22 km) |
| Prilly to Tutrakan | 985.19 mi (1,585.50 km) |
| Prilly to Varna | 1,065.07 mi (1,714.07 km) |
