| East Niles to Smolyan | 6,642.44 mi (10,689.98 km) |
| East Niles to Sofia | 6,540.70 mi (10,526.24 km) |
| East Niles to Sopot | 6,579.27 mi (10,588.31 km) |
| East Niles to Sozopol | 6,663.85 mi (10,724.44 km) |
| East Niles to Sredets | 6,656.36 mi (10,712.38 km) |
| East Niles to Stamboliyski | 6,605.08 mi (10,629.85 km) |
| East Niles to Stara Zagora | 6,614.40 mi (10,644.84 km) |
| East Niles to Svilengrad | 6,668.31 mi (10,731.61 km) |
| East Niles to Svishtov | 6,535.29 mi (10,517.53 km) |
| East Niles to Targovishte | 6,586.77 mi (10,600.38 km) |
| East Niles to Teteven | 6,551.23 mi (10,543.18 km) |
| East Niles to Troyan | 6,564.35 mi (10,564.30 km) |
| East Niles to Tryavna | 6,584.42 mi (10,596.60 km) |
| East Niles to Tutrakan | 6,538.56 mi (10,522.80 km) |
| East Niles to Varna | 6,619.43 mi (10,652.95 km) |
