| Annan to Smolyan | 1,567.21 mi (2,522.17 km) |
| Annan to Sofia | 1,463.00 mi (2,354.48 km) |
| Annan to Sopot | 1,517.07 mi (2,441.49 km) |
| Annan to Sozopol | 1,637.47 mi (2,635.26 km) |
| Annan to Sredets | 1,621.92 mi (2,610.23 km) |
| Annan to Stamboliyski | 1,534.15 mi (2,468.97 km) |
| Annan to Stara Zagora | 1,560.50 mi (2,511.38 km) |
| Annan to Svilengrad | 1,612.81 mi (2,595.57 km) |
| Annan to Svishtov | 1,493.86 mi (2,404.13 km) |
| Annan to Targovishte | 1,556.88 mi (2,505.55 km) |
| Annan to Teteven | 1,486.63 mi (2,392.50 km) |
| Annan to Troyan | 1,504.72 mi (2,421.61 km) |
| Annan to Tryavna | 1,534.38 mi (2,469.34 km) |
| Annan to Tutrakan | 1,521.82 mi (2,449.13 km) |
| Annan to Varna | 1,608.65 mi (2,588.87 km) |
