| Cologno al Serio to Smolyan | 798.50 mi (1,285.07 km) |
| Cologno al Serio to Sofia | 703.56 mi (1,132.27 km) |
| Cologno al Serio to Sopot | 772.25 mi (1,242.82 km) |
| Cologno al Serio to Sozopol | 918.84 mi (1,478.73 km) |
| Cologno al Serio to Sredets | 896.47 mi (1,442.73 km) |
| Cologno al Serio to Stamboliyski | 775.14 mi (1,247.47 km) |
| Cologno al Serio to Stara Zagora | 820.41 mi (1,320.31 km) |
| Cologno al Serio to Svilengrad | 863.85 mi (1,390.24 km) |
| Cologno al Serio to Svishtov | 780.51 mi (1,256.11 km) |
| Cologno al Serio to Targovishte | 846.99 mi (1,363.10 km) |
| Cologno al Serio to Teteven | 742.94 mi (1,195.65 km) |
| Cologno al Serio to Troyan | 765.20 mi (1,231.47 km) |
| Cologno al Serio to Tryavna | 803.05 mi (1,292.38 km) |
| Cologno al Serio to Tutrakan | 834.28 mi (1,342.65 km) |
| Cologno al Serio to Varna | 911.94 mi (1,467.63 km) |
