| Cities | Distance |
|---|
| Altdorf to Smolyan | 873.12 mi (1,405.16 km) |
| Altdorf to Sofia | 774.61 mi (1,246.61 km) |
| Altdorf to Sopot | 840.80 mi (1,353.14 km) |
| Altdorf to Sozopol | 983.56 mi (1,582.88 km) |
| Altdorf to Sredets | 962.38 mi (1,548.79 km) |
| Altdorf to Stamboliyski | 847.13 mi (1,363.33 km) |
| Altdorf to Stara Zagora | 888.56 mi (1,430.00 km) |
| Altdorf to Svilengrad | 934.61 mi (1,504.12 km) |
| Altdorf to Svishtov | 841.86 mi (1,354.85 km) |
| Altdorf to Targovishte | 908.72 mi (1,462.45 km) |
| Altdorf to Teteven | 810.76 mi (1,304.79 km) |
| Altdorf to Troyan | 832.38 mi (1,339.59 km) |
| Altdorf to Tryavna | 868.92 mi (1,398.39 km) |
| Altdorf to Tutrakan | 890.88 mi (1,433.73 km) |
| Altdorf to Varna | 971.85 mi (1,564.04 km) |
