| Castelleone to Devnya | 890.88 mi (1,433.74 km) |
| Castelleone to Dimitrovgrad | 821.17 mi (1,321.55 km) |
| Castelleone to Dobrich | 897.71 mi (1,444.72 km) |
| Castelleone to Dospat | 763.71 mi (1,229.07 km) |
| Castelleone to Dupnitsa | 697.51 mi (1,122.53 km) |
| Castelleone to Elhovo | 864.68 mi (1,391.57 km) |
| Castelleone to Etropole | 726.06 mi (1,168.48 km) |
| Castelleone to Gabrovo | 789.58 mi (1,270.71 km) |
| Castelleone to Gorna Oryahovitsa | 801.95 mi (1,290.61 km) |
| Castelleone to Gotse Delchev | 745.72 mi (1,200.12 km) |
| Castelleone to Harmanli | 838.45 mi (1,349.36 km) |
| Castelleone to Haskovo | 822.53 mi (1,323.74 km) |
| Castelleone to Ihtiman | 726.39 mi (1,169.02 km) |
| Castelleone to Isperih | 846.67 mi (1,362.59 km) |
| Castelleone to Kardzhali | 820.48 mi (1,320.43 km) |
