| Nonantola to Smolyan | 720.05 mi (1,158.81 km) |
| Nonantola to Sofia | 628.24 mi (1,011.06 km) |
| Nonantola to Sopot | 698.39 mi (1,123.95 km) |
| Nonantola to Sozopol | 847.10 mi (1,363.28 km) |
| Nonantola to Sredets | 823.94 mi (1,326.01 km) |
| Nonantola to Stamboliyski | 698.70 mi (1,124.45 km) |
| Nonantola to Stara Zagora | 746.57 mi (1,201.49 km) |
| Nonantola to Svilengrad | 787.89 mi (1,267.99 km) |
| Nonantola to Svishtov | 712.16 mi (1,146.11 km) |
| Nonantola to Targovishte | 777.91 mi (1,251.92 km) |
| Nonantola to Teteven | 669.82 mi (1,077.98 km) |
| Nonantola to Troyan | 692.42 mi (1,114.35 km) |
| Nonantola to Tryavna | 731.04 mi (1,176.50 km) |
| Nonantola to Tutrakan | 769.32 mi (1,238.10 km) |
| Nonantola to Varna | 843.90 mi (1,358.13 km) |
