| Ingenbohl to Smolyan | 877.17 mi (1,411.67 km) |
| Ingenbohl to Sofia | 778.30 mi (1,252.55 km) |
| Ingenbohl to Sopot | 844.17 mi (1,358.57 km) |
| Ingenbohl to Sozopol | 986.43 mi (1,587.51 km) |
| Ingenbohl to Sredets | 965.39 mi (1,553.65 km) |
| Ingenbohl to Stamboliyski | 850.89 mi (1,369.37 km) |
| Ingenbohl to Stara Zagora | 891.86 mi (1,435.31 km) |
| Ingenbohl to Svilengrad | 938.19 mi (1,509.87 km) |
| Ingenbohl to Svishtov | 844.45 mi (1,359.01 km) |
| Ingenbohl to Targovishte | 911.31 mi (1,466.61 km) |
| Ingenbohl to Teteven | 814.07 mi (1,310.11 km) |
| Ingenbohl to Troyan | 835.61 mi (1,344.78 km) |
| Ingenbohl to Tryavna | 871.98 mi (1,403.31 km) |
| Ingenbohl to Tutrakan | 892.93 mi (1,437.03 km) |
| Ingenbohl to Varna | 974.21 mi (1,567.83 km) |
