| Castelfranco Veneto to Smolyan | 697.04 mi (1,121.78 km) |
| Castelfranco Veneto to Sofia | 600.08 mi (965.74 km) |
| Castelfranco Veneto to Sopot | 667.75 mi (1,074.63 km) |
| Castelfranco Veneto to Sozopol | 813.10 mi (1,308.56 km) |
| Castelfranco Veneto to Sredets | 791.10 mi (1,273.15 km) |
| Castelfranco Veneto to Stamboliyski | 672.21 mi (1,081.82 km) |
| Castelfranco Veneto to Stara Zagora | 715.79 mi (1,151.95 km) |
| Castelfranco Veneto to Svilengrad | 760.40 mi (1,223.75 km) |
| Castelfranco Veneto to Svishtov | 673.75 mi (1,084.30 km) |
| Castelfranco Veneto to Targovishte | 740.38 mi (1,191.52 km) |
| Castelfranco Veneto to Teteven | 638.11 mi (1,026.94 km) |
| Castelfranco Veneto to Troyan | 660.16 mi (1,062.42 km) |
| Castelfranco Veneto to Tryavna | 697.58 mi (1,122.65 km) |
| Castelfranco Veneto to Tutrakan | 726.71 mi (1,169.52 km) |
| Castelfranco Veneto to Varna | 804.97 mi (1,295.48 km) |
