| Unterageri to Smolyan | 881.54 mi (1,418.70 km) |
| Unterageri to Sofia | 782.33 mi (1,259.04 km) |
| Unterageri to Sopot | 847.88 mi (1,364.54 km) |
| Unterageri to Sozopol | 989.64 mi (1,592.67 km) |
| Unterageri to Sredets | 968.74 mi (1,559.04 km) |
| Unterageri to Stamboliyski | 854.97 mi (1,375.94 km) |
| Unterageri to Stara Zagora | 895.50 mi (1,441.16 km) |
| Unterageri to Svilengrad | 942.09 mi (1,516.14 km) |
| Unterageri to Svishtov | 847.38 mi (1,363.73 km) |
| Unterageri to Targovishte | 914.24 mi (1,471.33 km) |
| Unterageri to Teteven | 817.71 mi (1,315.98 km) |
| Unterageri to Troyan | 839.17 mi (1,350.52 km) |
| Unterageri to Tryavna | 875.38 mi (1,408.78 km) |
| Unterageri to Tutrakan | 895.33 mi (1,440.90 km) |
| Unterageri to Varna | 976.90 mi (1,572.18 km) |
