| East Northport to Smolyan | 4,779.86 mi (7,692.44 km) |
| East Northport to Sofia | 4,677.63 mi (7,527.93 km) |
| East Northport to Sopot | 4,737.95 mi (7,624.99 km) |
| East Northport to Sozopol | 4,867.25 mi (7,833.09 km) |
| East Northport to Sredets | 4,849.96 mi (7,805.25 km) |
| East Northport to Stamboliyski | 4,750.29 mi (7,644.86 km) |
| East Northport to Stara Zagora | 4,783.62 mi (7,698.50 km) |
| East Northport to Svilengrad | 4,833.94 mi (7,779.47 km) |
| East Northport to Svishtov | 4,722.58 mi (7,600.26 km) |
| East Northport to Targovishte | 4,787.29 mi (7,704.40 km) |
| East Northport to Teteven | 4,707.29 mi (7,575.65 km) |
| East Northport to Troyan | 4,727.02 mi (7,607.40 km) |
| East Northport to Tryavna | 4,759.55 mi (7,659.75 km) |
| East Northport to Tutrakan | 4,755.27 mi (7,652.87 km) |
| East Northport to Varna | 4,841.89 mi (7,792.27 km) |
