| Perl to Smolyan | 1,037.17 mi (1,669.16 km) |
| Perl to Sofia | 934.72 mi (1,504.29 km) |
| Perl to Sopot | 995.67 mi (1,602.37 km) |
| Perl to Sozopol | 1,129.61 mi (1,817.94 km) |
| Perl to Sredets | 1,110.77 mi (1,787.61 km) |
| Perl to Stamboliyski | 1,007.38 mi (1,621.23 km) |
| Perl to Stara Zagora | 1,041.91 mi (1,676.79 km) |
| Perl to Svilengrad | 1,091.49 mi (1,756.58 km) |
| Perl to Svishtov | 985.03 mi (1,585.25 km) |
| Perl to Targovishte | 1,051.12 mi (1,691.61 km) |
| Perl to Teteven | 965.03 mi (1,553.07 km) |
| Perl to Troyan | 985.21 mi (1,585.54 km) |
| Perl to Tryavna | 1,018.91 mi (1,639.77 km) |
| Perl to Tutrakan | 1,025.05 mi (1,649.66 km) |
| Perl to Varna | 1,109.97 mi (1,786.33 km) |
