| Castel Goffredo to Smolyan | 757.14 mi (1,218.49 km) |
| Castel Goffredo to Sofia | 662.84 mi (1,066.74 km) |
| Castel Goffredo to Sopot | 731.91 mi (1,177.90 km) |
| Castel Goffredo to Sozopol | 879.10 mi (1,414.78 km) |
| Castel Goffredo to Sredets | 856.52 mi (1,378.44 km) |
| Castel Goffredo to Stamboliyski | 734.20 mi (1,181.58 km) |
| Castel Goffredo to Stara Zagora | 780.09 mi (1,255.44 km) |
| Castel Goffredo to Svilengrad | 823.05 mi (1,324.57 km) |
| Castel Goffredo to Svishtov | 741.63 mi (1,193.53 km) |
| Castel Goffredo to Targovishte | 807.94 mi (1,300.26 km) |
| Castel Goffredo to Teteven | 702.77 mi (1,131.00 km) |
| Castel Goffredo to Troyan | 725.12 mi (1,166.98 km) |
| Castel Goffredo to Tryavna | 763.19 mi (1,228.24 km) |
| Castel Goffredo to Tutrakan | 796.42 mi (1,281.71 km) |
| Castel Goffredo to Varna | 873.22 mi (1,405.31 km) |
