| Reutlingen to Smolyan | 891.25 mi (1,434.33 km) |
| Reutlingen to Sofia | 788.96 mi (1,269.71 km) |
| Reutlingen to Sopot | 850.41 mi (1,368.61 km) |
| Reutlingen to Sozopol | 985.76 mi (1,586.43 km) |
| Reutlingen to Sredets | 966.51 mi (1,555.45 km) |
| Reutlingen to Stamboliyski | 861.66 mi (1,386.71 km) |
| Reutlingen to Stara Zagora | 896.88 mi (1,443.39 km) |
| Reutlingen to Svilengrad | 946.12 mi (1,522.63 km) |
| Reutlingen to Svishtov | 841.43 mi (1,354.15 km) |
| Reutlingen to Targovishte | 907.79 mi (1,460.94 km) |
| Reutlingen to Teteven | 819.81 mi (1,319.36 km) |
| Reutlingen to Troyan | 840.18 mi (1,352.13 km) |
| Reutlingen to Tryavna | 874.29 mi (1,407.03 km) |
| Reutlingen to Tutrakan | 883.35 mi (1,421.61 km) |
| Reutlingen to Varna | 967.60 mi (1,557.20 km) |
