| Duren to Smolyan | 1,074.42 mi (1,729.11 km) |
| Duren to Sofia | 970.67 mi (1,562.15 km) |
| Duren to Sopot | 1,027.97 mi (1,654.35 km) |
| Duren to Sozopol | 1,155.71 mi (1,859.94 km) |
| Duren to Sredets | 1,138.33 mi (1,831.96 km) |
| Duren to Stamboliyski | 1,042.66 mi (1,678.01 km) |
| Duren to Stara Zagora | 1,072.89 mi (1,726.65 km) |
| Duren to Svilengrad | 1,124.04 mi (1,808.97 km) |
| Duren to Svishtov | 1,010.98 mi (1,627.02 km) |
| Duren to Targovishte | 1,075.94 mi (1,731.56 km) |
| Duren to Teteven | 997.33 mi (1,605.05 km) |
| Duren to Troyan | 1,016.47 mi (1,635.86 km) |
| Duren to Tryavna | 1,048.23 mi (1,686.96 km) |
| Duren to Tutrakan | 1,045.77 mi (1,683.01 km) |
| Duren to Varna | 1,131.92 mi (1,821.65 km) |
