| Marshall to Smolyan | 6,017.37 mi (9,684.01 km) |
| Marshall to Sofia | 5,913.58 mi (9,516.99 km) |
| Marshall to Sopot | 5,969.52 mi (9,607.02 km) |
| Marshall to Sozopol | 6,089.73 mi (9,800.47 km) |
| Marshall to Sredets | 6,074.64 mi (9,776.20 km) |
| Marshall to Stamboliyski | 5,985.41 mi (9,632.59 km) |
| Marshall to Stara Zagora | 6,013.34 mi (9,677.53 km) |
| Marshall to Svilengrad | 6,065.42 mi (9,761.35 km) |
| Marshall to Svishtov | 5,946.58 mi (9,570.09 km) |
| Marshall to Targovishte | 6,009.03 mi (9,670.60 km) |
| Marshall to Teteven | 5,938.99 mi (9,557.88 km) |
| Marshall to Troyan | 5,957.40 mi (9,587.51 km) |
| Marshall to Tryavna | 5,987.34 mi (9,635.69 km) |
| Marshall to Tutrakan | 5,972.12 mi (9,611.20 km) |
| Marshall to Varna | 6,058.88 mi (9,750.82 km) |
