| Kaarst to Smolyan | 1,083.82 mi (1,744.24 km) |
| Kaarst to Sofia | 979.82 mi (1,576.86 km) |
| Kaarst to Sopot | 1,035.84 mi (1,667.03 km) |
| Kaarst to Sozopol | 1,161.41 mi (1,869.11 km) |
| Kaarst to Sredets | 1,144.52 mi (1,841.92 km) |
| Kaarst to Stamboliyski | 1,051.47 mi (1,692.19 km) |
| Kaarst to Stara Zagora | 1,080.27 mi (1,738.53 km) |
| Kaarst to Svilengrad | 1,131.86 mi (1,821.55 km) |
| Kaarst to Svishtov | 1,016.85 mi (1,636.47 km) |
| Kaarst to Targovishte | 1,081.34 mi (1,740.25 km) |
| Kaarst to Teteven | 1,005.26 mi (1,617.80 km) |
| Kaarst to Troyan | 1,024.03 mi (1,648.02 km) |
| Kaarst to Tryavna | 1,055.12 mi (1,698.04 km) |
| Kaarst to Tutrakan | 1,049.91 mi (1,689.66 km) |
| Kaarst to Varna | 1,136.32 mi (1,828.73 km) |
