| Quartucciu to Smolyan | 831.11 mi (1,337.55 km) |
| Quartucciu to Sofia | 774.67 mi (1,246.71 km) |
| Quartucciu to Sopot | 844.51 mi (1,359.10 km) |
| Quartucciu to Sozopol | 990.56 mi (1,594.15 km) |
| Quartucciu to Sredets | 964.68 mi (1,552.50 km) |
| Quartucciu to Stamboliyski | 827.51 mi (1,331.74 km) |
| Quartucciu to Stara Zagora | 887.09 mi (1,427.63 km) |
| Quartucciu to Svilengrad | 909.40 mi (1,463.54 km) |
| Quartucciu to Svishtov | 888.62 mi (1,430.09 km) |
| Quartucciu to Targovishte | 943.43 mi (1,518.30 km) |
| Quartucciu to Teteven | 824.30 mi (1,326.57 km) |
| Quartucciu to Troyan | 846.05 mi (1,361.58 km) |
| Quartucciu to Tryavna | 884.70 mi (1,423.78 km) |
| Quartucciu to Tutrakan | 957.18 mi (1,540.43 km) |
| Quartucciu to Varna | 1,009.08 mi (1,623.95 km) |
