| Casorate Primo to Smolyan | 826.29 mi (1,329.79 km) |
| Casorate Primo to Sofia | 732.82 mi (1,179.35 km) |
| Casorate Primo to Sopot | 802.18 mi (1,290.98 km) |
| Casorate Primo to Sozopol | 949.69 mi (1,528.37 km) |
| Casorate Primo to Sredets | 927.00 mi (1,491.87 km) |
| Casorate Primo to Stamboliyski | 803.93 mi (1,293.80 km) |
| Casorate Primo to Stara Zagora | 850.37 mi (1,368.54 km) |
| Casorate Primo to Svilengrad | 892.91 mi (1,437.00 km) |
| Casorate Primo to Svishtov | 812.46 mi (1,307.52 km) |
| Casorate Primo to Targovishte | 878.74 mi (1,414.19 km) |
| Casorate Primo to Teteven | 773.15 mi (1,244.27 km) |
| Casorate Primo to Troyan | 795.56 mi (1,280.33 km) |
| Casorate Primo to Tryavna | 833.73 mi (1,341.76 km) |
| Casorate Primo to Tutrakan | 867.28 mi (1,395.75 km) |
| Casorate Primo to Varna | 944.07 mi (1,519.33 km) |
