| West Little River to Smolyan | 5,758.27 mi (9,267.05 km) |
| West Little River to Sofia | 5,659.83 mi (9,108.61 km) |
| West Little River to Sopot | 5,724.93 mi (9,213.39 km) |
| West Little River to Sozopol | 5,863.30 mi (9,436.07 km) |
| West Little River to Sredets | 5,843.67 mi (9,404.48 km) |
| West Little River to Stamboliyski | 5,732.44 mi (9,225.46 km) |
| West Little River to Stara Zagora | 5,772.25 mi (9,289.53 km) |
| West Little River to Svilengrad | 5,819.52 mi (9,365.62 km) |
| West Little River to Svishtov | 5,719.06 mi (9,203.93 km) |
| West Little River to Targovishte | 5,785.39 mi (9,310.68 km) |
| West Little River to Teteven | 5,694.59 mi (9,164.56 km) |
| West Little River to Troyan | 5,715.69 mi (9,198.51 km) |
| West Little River to Tryavna | 5,750.92 mi (9,255.21 km) |
| West Little River to Tutrakan | 5,759.27 mi (9,268.65 km) |
| West Little River to Varna | 5,844.46 mi (9,405.75 km) |
