| Twin Rivers to Smolyan | 4,854.39 mi (7,812.38 km) |
| Twin Rivers to Sofia | 4,752.14 mi (7,647.83 km) |
| Twin Rivers to Sopot | 4,812.40 mi (7,744.81 km) |
| Twin Rivers to Sozopol | 4,941.57 mi (7,952.69 km) |
| Twin Rivers to Sredets | 4,924.31 mi (7,924.91 km) |
| Twin Rivers to Stamboliyski | 4,824.79 mi (7,764.75 km) |
| Twin Rivers to Stara Zagora | 4,858.05 mi (7,818.28 km) |
| Twin Rivers to Svilengrad | 4,908.39 mi (7,899.30 km) |
| Twin Rivers to Svishtov | 4,796.91 mi (7,719.88 km) |
| Twin Rivers to Targovishte | 4,861.59 mi (7,823.97 km) |
| Twin Rivers to Teteven | 4,781.74 mi (7,695.46 km) |
| Twin Rivers to Troyan | 4,801.45 mi (7,727.19 km) |
| Twin Rivers to Tryavna | 4,833.94 mi (7,779.48 km) |
| Twin Rivers to Tutrakan | 4,829.48 mi (7,772.29 km) |
| Twin Rivers to Varna | 4,916.11 mi (7,911.72 km) |
