| Sebastian to Smolyan | 5,678.11 mi (9,138.04 km) |
| Sebastian to Sofia | 5,578.76 mi (8,978.15 km) |
| Sebastian to Sopot | 5,643.00 mi (9,081.53 km) |
| Sebastian to Sozopol | 5,779.69 mi (9,301.51 km) |
| Sebastian to Sredets | 5,760.52 mi (9,270.66 km) |
| Sebastian to Stamboliyski | 5,651.49 mi (9,095.19 km) |
| Sebastian to Stara Zagora | 5,690.04 mi (9,157.24 km) |
| Sebastian to Svilengrad | 5,738.01 mi (9,234.43 km) |
| Sebastian to Svishtov | 5,635.16 mi (9,068.92 km) |
| Sebastian to Targovishte | 5,701.24 mi (9,175.27 km) |
| Sebastian to Teteven | 5,612.55 mi (9,032.52 km) |
| Sebastian to Troyan | 5,633.40 mi (9,066.07 km) |
| Sebastian to Tryavna | 5,668.12 mi (9,121.96 km) |
| Sebastian to Tutrakan | 5,673.85 mi (9,131.19 km) |
| Sebastian to Varna | 5,759.46 mi (9,268.95 km) |
