| Seysses to Smolyan | 1,193.95 mi (1,921.48 km) |
| Seysses to Sofia | 1,108.91 mi (1,784.62 km) |
| Seysses to Sopot | 1,180.45 mi (1,899.74 km) |
| Seysses to Sozopol | 1,330.82 mi (2,141.75 km) |
| Seysses to Sredets | 1,306.87 mi (2,103.20 km) |
| Seysses to Stamboliyski | 1,176.83 mi (1,893.93 km) |
| Seysses to Stara Zagora | 1,228.31 mi (1,976.77 km) |
| Seysses to Svilengrad | 1,265.99 mi (2,037.42 km) |
| Seysses to Svishtov | 1,199.38 mi (1,930.21 km) |
| Seysses to Targovishte | 1,264.39 mi (2,034.84 km) |
| Seysses to Teteven | 1,153.02 mi (1,855.61 km) |
| Seysses to Troyan | 1,175.85 mi (1,892.35 km) |
| Seysses to Tryavna | 1,215.08 mi (1,955.49 km) |
| Seysses to Tutrakan | 1,258.04 mi (2,024.62 km) |
| Seysses to Varna | 1,330.93 mi (2,141.92 km) |
