| Gallarate to Smolyan | 842.43 mi (1,355.76 km) |
| Gallarate to Sofia | 747.72 mi (1,203.35 km) |
| Gallarate to Sopot | 816.48 mi (1,314.00 km) |
| Gallarate to Sozopol | 963.10 mi (1,549.97 km) |
| Gallarate to Sredets | 940.73 mi (1,513.97 km) |
| Gallarate to Stamboliyski | 819.25 mi (1,318.46 km) |
| Gallarate to Stara Zagora | 864.64 mi (1,391.51 km) |
| Gallarate to Svilengrad | 908.00 mi (1,461.29 km) |
| Gallarate to Svishtov | 824.71 mi (1,327.24 km) |
| Gallarate to Targovishte | 891.21 mi (1,434.26 km) |
| Gallarate to Teteven | 787.19 mi (1,266.86 km) |
| Gallarate to Troyan | 809.45 mi (1,302.69 km) |
| Gallarate to Tryavna | 847.31 mi (1,363.62 km) |
| Gallarate to Tutrakan | 878.29 mi (1,413.46 km) |
| Gallarate to Varna | 956.11 mi (1,538.71 km) |
