| Ii to Smolyan | 1,640.03 mi (2,639.37 km) |
| Ii to Sofia | 1,564.67 mi (2,518.09 km) |
| Ii to Sopot | 1,566.30 mi (2,520.72 km) |
| Ii to Sozopol | 1,584.82 mi (2,550.53 km) |
| Ii to Sredets | 1,588.44 mi (2,556.34 km) |
| Ii to Stamboliyski | 1,602.15 mi (2,578.41 km) |
| Ii to Stara Zagora | 1,581.13 mi (2,544.58 km) |
| Ii to Svilengrad | 1,627.47 mi (2,619.16 km) |
| Ii to Svishtov | 1,499.32 mi (2,412.93 km) |
| Ii to Targovishte | 1,525.38 mi (2,454.86 km) |
| Ii to Teteven | 1,548.28 mi (2,491.72 km) |
| Ii to Troyan | 1,550.21 mi (2,494.81 km) |
| Ii to Tryavna | 1,551.14 mi (2,496.32 km) |
| Ii to Tutrakan | 1,470.16 mi (2,365.99 km) |
| Ii to Varna | 1,530.12 mi (2,462.48 km) |
