| Spiez to Smolyan | 912.85 mi (1,469.09 km) |
| Spiez to Sofia | 815.41 mi (1,312.27 km) |
| Spiez to Sopot | 882.40 mi (1,420.09 km) |
| Spiez to Sozopol | 1,026.28 mi (1,651.64 km) |
| Spiez to Sredets | 1,004.79 mi (1,617.05 km) |
| Spiez to Stamboliyski | 887.71 mi (1,428.63 km) |
| Spiez to Stara Zagora | 930.31 mi (1,497.19 km) |
| Spiez to Svilengrad | 975.64 mi (1,570.15 km) |
| Spiez to Svishtov | 885.27 mi (1,424.70 km) |
| Spiez to Targovishte | 952.10 mi (1,532.25 km) |
| Spiez to Teteven | 852.53 mi (1,372.02 km) |
| Spiez to Troyan | 874.35 mi (1,407.13 km) |
| Spiez to Tryavna | 911.27 mi (1,466.54 km) |
| Spiez to Tutrakan | 935.29 mi (1,505.20 km) |
| Spiez to Varna | 1,015.66 mi (1,634.55 km) |
