| Logan to Smolyan | 6,072.98 mi (9,773.51 km) |
| Logan to Sofia | 5,970.57 mi (9,608.70 km) |
| Logan to Sopot | 6,011.05 mi (9,673.85 km) |
| Logan to Sozopol | 6,099.97 mi (9,816.95 km) |
| Logan to Sredets | 6,091.57 mi (9,803.43 km) |
| Logan to Stamboliyski | 6,035.98 mi (9,713.96 km) |
| Logan to Stara Zagora | 6,047.26 mi (9,732.12 km) |
| Logan to Svilengrad | 6,101.25 mi (9,819.01 km) |
| Logan to Svishtov | 5,969.08 mi (9,606.30 km) |
| Logan to Targovishte | 6,022.05 mi (9,691.55 km) |
| Logan to Teteven | 5,982.62 mi (9,628.10 km) |
| Logan to Troyan | 5,996.35 mi (9,650.19 km) |
| Logan to Tryavna | 6,017.56 mi (9,684.32 km) |
| Logan to Tutrakan | 5,974.87 mi (9,615.63 km) |
| Logan to Varna | 6,056.89 mi (9,747.62 km) |
