| Monserrato to Smolyan | 832.51 mi (1,339.80 km) |
| Monserrato to Sofia | 776.04 mi (1,248.91 km) |
| Monserrato to Sopot | 845.89 mi (1,361.32 km) |
| Monserrato to Sozopol | 991.95 mi (1,596.39 km) |
| Monserrato to Sredets | 966.07 mi (1,554.74 km) |
| Monserrato to Stamboliyski | 828.90 mi (1,333.98 km) |
| Monserrato to Stara Zagora | 888.48 mi (1,429.86 km) |
| Monserrato to Svilengrad | 910.80 mi (1,465.79 km) |
| Monserrato to Svishtov | 889.97 mi (1,432.27 km) |
| Monserrato to Targovishte | 944.80 mi (1,520.51 km) |
| Monserrato to Teteven | 825.67 mi (1,328.78 km) |
| Monserrato to Troyan | 847.42 mi (1,363.79 km) |
| Monserrato to Tryavna | 886.07 mi (1,426.00 km) |
| Monserrato to Tutrakan | 958.53 mi (1,542.60 km) |
| Monserrato to Varna | 1,010.45 mi (1,626.17 km) |
