| Russellville to Smolyan | 5,829.23 mi (9,381.24 km) |
| Russellville to Sofia | 5,725.28 mi (9,213.94 km) |
| Russellville to Sopot | 5,780.38 mi (9,302.63 km) |
| Russellville to Sozopol | 5,899.00 mi (9,493.53 km) |
| Russellville to Sredets | 5,884.27 mi (9,469.83 km) |
| Russellville to Stamboliyski | 5,796.88 mi (9,329.17 km) |
| Russellville to Stara Zagora | 5,823.84 mi (9,372.56 km) |
| Russellville to Svilengrad | 5,876.17 mi (9,456.77 km) |
| Russellville to Svishtov | 5,756.24 mi (9,263.77 km) |
| Russellville to Targovishte | 5,818.28 mi (9,363.62 km) |
| Russellville to Teteven | 5,749.91 mi (9,253.58 km) |
| Russellville to Troyan | 5,768.08 mi (9,282.82 km) |
| Russellville to Tryavna | 5,797.55 mi (9,330.26 km) |
| Russellville to Tutrakan | 5,780.71 mi (9,303.15 km) |
| Russellville to Varna | 5,867.39 mi (9,442.65 km) |
