| Forest Park to Smolyan | 5,301.22 mi (8,531.50 km) |
| Forest Park to Sofia | 5,197.67 mi (8,364.84 km) |
| Forest Park to Sopot | 5,254.56 mi (8,456.39 km) |
| Forest Park to Sozopol | 5,376.93 mi (8,653.34 km) |
| Forest Park to Sredets | 5,361.32 mi (8,628.20 km) |
| Forest Park to Stamboliyski | 5,269.72 mi (8,480.80 km) |
| Forest Park to Stara Zagora | 5,298.81 mi (8,527.62 km) |
| Forest Park to Svilengrad | 5,350.56 mi (8,610.90 km) |
| Forest Park to Svishtov | 5,233.27 mi (8,422.14 km) |
| Forest Park to Targovishte | 5,296.32 mi (8,523.61 km) |
| Forest Park to Teteven | 5,223.97 mi (8,407.17 km) |
| Forest Park to Troyan | 5,242.68 mi (8,437.28 km) |
| Forest Park to Tryavna | 5,273.21 mi (8,486.42 km) |
| Forest Park to Tutrakan | 5,260.56 mi (8,466.05 km) |
| Forest Park to Varna | 5,347.39 mi (8,605.79 km) |
