| Castelnuovo Rangone to Smolyan | 723.48 mi (1,164.33 km) |
| Castelnuovo Rangone to Sofia | 632.39 mi (1,017.74 km) |
| Castelnuovo Rangone to Sopot | 702.78 mi (1,131.01 km) |
| Castelnuovo Rangone to Sozopol | 851.80 mi (1,370.84 km) |
| Castelnuovo Rangone to Sredets | 828.51 mi (1,333.37 km) |
| Castelnuovo Rangone to Stamboliyski | 702.58 mi (1,130.70 km) |
| Castelnuovo Rangone to Stara Zagora | 750.94 mi (1,208.52 km) |
| Castelnuovo Rangone to Svilengrad | 791.82 mi (1,274.32 km) |
| Castelnuovo Rangone to Svishtov | 717.48 mi (1,154.68 km) |
| Castelnuovo Rangone to Targovishte | 783.08 mi (1,260.24 km) |
| Castelnuovo Rangone to Teteven | 674.37 mi (1,085.29 km) |
| Castelnuovo Rangone to Troyan | 697.01 mi (1,121.73 km) |
| Castelnuovo Rangone to Tryavna | 735.75 mi (1,184.07 km) |
| Castelnuovo Rangone to Tutrakan | 775.11 mi (1,247.42 km) |
| Castelnuovo Rangone to Varna | 849.20 mi (1,366.66 km) |
