| Collecchio to Smolyan | 760.77 mi (1,224.34 km) |
| Collecchio to Sofia | 669.11 mi (1,076.83 km) |
| Collecchio to Sopot | 739.27 mi (1,189.73 km) |
| Collecchio to Sozopol | 887.94 mi (1,429.00 km) |
| Collecchio to Sredets | 864.80 mi (1,391.77 km) |
| Collecchio to Stamboliyski | 739.54 mi (1,190.18 km) |
| Collecchio to Stara Zagora | 787.45 mi (1,267.28 km) |
| Collecchio to Svilengrad | 828.74 mi (1,333.73 km) |
| Collecchio to Svishtov | 752.80 mi (1,211.51 km) |
| Collecchio to Targovishte | 818.60 mi (1,317.42 km) |
| Collecchio to Teteven | 710.69 mi (1,143.74 km) |
| Collecchio to Troyan | 733.28 mi (1,180.10 km) |
| Collecchio to Tryavna | 771.88 mi (1,242.22 km) |
| Collecchio to Tutrakan | 809.66 mi (1,303.02 km) |
| Collecchio to Varna | 884.54 mi (1,423.52 km) |
