| Alsip to Smolyan | 5,307.75 mi (8,542.00 km) |
| Alsip to Sofia | 5,203.63 mi (8,374.43 km) |
| Alsip to Sopot | 5,257.68 mi (8,461.41 km) |
| Alsip to Sozopol | 5,374.41 mi (8,649.28 km) |
| Alsip to Sredets | 5,360.09 mi (8,626.23 km) |
| Alsip to Stamboliyski | 5,274.91 mi (8,489.15 km) |
| Alsip to Stara Zagora | 5,300.68 mi (8,530.62 km) |
| Alsip to Svilengrad | 5,353.28 mi (8,615.27 km) |
| Alsip to Svishtov | 5,232.12 mi (8,420.29 km) |
| Alsip to Targovishte | 5,293.69 mi (8,519.38 km) |
| Alsip to Teteven | 5,227.28 mi (8,412.50 km) |
| Alsip to Troyan | 5,245.15 mi (8,441.25 km) |
| Alsip to Tryavna | 5,274.07 mi (8,487.79 km) |
| Alsip to Tutrakan | 5,255.41 mi (8,457.77 km) |
| Alsip to Varna | 5,342.00 mi (8,597.11 km) |
