| Fall River to Smolyan | 4,653.03 mi (7,488.32 km) |
| Fall River to Sofia | 4,550.94 mi (7,324.02 km) |
| Fall River to Sopot | 4,611.52 mi (7,421.52 km) |
| Fall River to Sozopol | 4,741.38 mi (7,630.52 km) |
| Fall River to Sredets | 4,723.94 mi (7,602.45 km) |
| Fall River to Stamboliyski | 4,623.62 mi (7,441.00 km) |
| Fall River to Stara Zagora | 4,657.30 mi (7,495.20 km) |
| Fall River to Svilengrad | 4,707.48 mi (7,575.95 km) |
| Fall River to Svishtov | 4,596.67 mi (7,397.62 km) |
| Fall River to Targovishte | 4,661.50 mi (7,501.97 km) |
| Fall River to Teteven | 4,580.86 mi (7,372.18 km) |
| Fall River to Troyan | 4,600.67 mi (7,404.07 km) |
| Fall River to Tryavna | 4,633.36 mi (7,456.67 km) |
| Fall River to Tutrakan | 4,629.84 mi (7,451.01 km) |
| Fall River to Varna | 4,716.41 mi (7,590.33 km) |
