| Avila to Smolyan | 1,523.45 mi (2,451.76 km) |
| Avila to Sofia | 1,445.95 mi (2,327.04 km) |
| Avila to Sopot | 1,518.14 mi (2,443.21 km) |
| Avila to Sozopol | 1,669.19 mi (2,686.30 km) |
| Avila to Sredets | 1,644.39 mi (2,646.40 km) |
| Avila to Stamboliyski | 1,510.49 mi (2,430.90 km) |
| Avila to Stara Zagora | 1,565.14 mi (2,518.86 km) |
| Avila to Svilengrad | 1,598.54 mi (2,572.60 km) |
| Avila to Svishtov | 1,543.90 mi (2,484.66 km) |
| Avila to Targovishte | 1,607.24 mi (2,586.60 km) |
| Avila to Teteven | 1,492.30 mi (2,401.63 km) |
| Avila to Troyan | 1,515.18 mi (2,438.45 km) |
| Avila to Tryavna | 1,554.81 mi (2,502.23 km) |
| Avila to Tutrakan | 1,605.57 mi (2,583.92 km) |
| Avila to Varna | 1,674.32 mi (2,694.56 km) |
