| Trostberg an der Alz to Smolyan | 741.80 mi (1,193.82 km) |
| Trostberg an der Alz to Sofia | 638.47 mi (1,027.52 km) |
| Trostberg an der Alz to Sopot | 697.79 mi (1,122.99 km) |
| Trostberg an der Alz to Sozopol | 830.71 mi (1,336.89 km) |
| Trostberg an der Alz to Sredets | 811.93 mi (1,306.68 km) |
| Trostberg an der Alz to Stamboliyski | 710.83 mi (1,143.97 km) |
| Trostberg an der Alz to Stara Zagora | 743.66 mi (1,196.81 km) |
| Trostberg an der Alz to Svilengrad | 793.78 mi (1,277.47 km) |
| Trostberg an der Alz to Svishtov | 686.12 mi (1,104.20 km) |
| Trostberg an der Alz to Targovishte | 752.25 mi (1,210.62 km) |
| Trostberg an der Alz to Teteven | 667.13 mi (1,073.65 km) |
| Trostberg an der Alz to Troyan | 687.00 mi (1,105.62 km) |
| Trostberg an der Alz to Tryavna | 720.27 mi (1,159.16 km) |
| Trostberg an der Alz to Tutrakan | 726.94 mi (1,169.89 km) |
| Trostberg an der Alz to Varna | 811.46 mi (1,305.93 km) |
