| Altopascio to Smolyan | 727.32 mi (1,170.50 km) |
| Altopascio to Sofia | 640.39 mi (1,030.60 km) |
| Altopascio to Sopot | 711.81 mi (1,145.54 km) |
| Altopascio to Sozopol | 862.13 mi (1,387.47 km) |
| Altopascio to Sredets | 838.20 mi (1,348.95 km) |
| Altopascio to Stamboliyski | 708.87 mi (1,140.82 km) |
| Altopascio to Stara Zagora | 759.72 mi (1,222.64 km) |
| Altopascio to Svilengrad | 798.14 mi (1,284.49 km) |
| Altopascio to Svishtov | 731.60 mi (1,177.40 km) |
| Altopascio to Targovishte | 796.18 mi (1,281.33 km) |
| Altopascio to Teteven | 684.33 mi (1,101.32 km) |
| Altopascio to Troyan | 707.16 mi (1,138.07 km) |
| Altopascio to Tryavna | 746.41 mi (1,201.24 km) |
| Altopascio to Tutrakan | 791.73 mi (1,274.17 km) |
| Altopascio to Varna | 862.91 mi (1,388.71 km) |
