| Castel Bolognese to Devnya | 789.14 mi (1,269.99 km) |
| Castel Bolognese to Dimitrovgrad | 711.74 mi (1,145.44 km) |
| Castel Bolognese to Dobrich | 798.07 mi (1,284.37 km) |
| Castel Bolognese to Dospat | 650.93 mi (1,047.57 km) |
| Castel Bolognese to Dupnitsa | 586.08 mi (943.21 km) |
| Castel Bolognese to Elhovo | 756.84 mi (1,218.01 km) |
| Castel Bolognese to Etropole | 618.62 mi (995.58 km) |
| Castel Bolognese to Gabrovo | 683.80 mi (1,100.47 km) |
| Castel Bolognese to Gorna Oryahovitsa | 697.99 mi (1,123.31 km) |
| Castel Bolognese to Gotse Delchev | 632.10 mi (1,017.26 km) |
| Castel Bolognese to Harmanli | 728.86 mi (1,172.99 km) |
| Castel Bolognese to Haskovo | 712.56 mi (1,146.76 km) |
| Castel Bolognese to Ihtiman | 616.67 mi (992.44 km) |
| Castel Bolognese to Isperih | 747.07 mi (1,202.29 km) |
| Castel Bolognese to Kardzhali | 709.12 mi (1,141.22 km) |
