| Lemont to Smolyan | 5,316.82 mi (8,556.60 km) |
| Lemont to Sofia | 5,212.69 mi (8,389.01 km) |
| Lemont to Sopot | 5,266.62 mi (8,475.81 km) |
| Lemont to Sozopol | 5,383.13 mi (8,663.31 km) |
| Lemont to Sredets | 5,368.85 mi (8,640.33 km) |
| Lemont to Stamboliyski | 5,283.93 mi (8,503.67 km) |
| Lemont to Stara Zagora | 5,309.57 mi (8,544.93 km) |
| Lemont to Svilengrad | 5,362.20 mi (8,629.62 km) |
| Lemont to Svishtov | 5,240.90 mi (8,434.42 km) |
| Lemont to Targovishte | 5,302.41 mi (8,533.41 km) |
| Lemont to Teteven | 5,236.24 mi (8,426.91 km) |
| Lemont to Troyan | 5,254.07 mi (8,455.60 km) |
| Lemont to Tryavna | 5,282.92 mi (8,502.04 km) |
| Lemont to Tutrakan | 5,264.03 mi (8,471.64 km) |
| Lemont to Varna | 5,350.60 mi (8,610.96 km) |
