| Ferentino to Devnya | 736.60 mi (1,185.45 km) |
| Ferentino to Dimitrovgrad | 635.41 mi (1,022.59 km) |
| Ferentino to Dobrich | 751.71 mi (1,209.76 km) |
| Ferentino to Dospat | 563.09 mi (906.20 km) |
| Ferentino to Dupnitsa | 508.22 mi (817.90 km) |
| Ferentino to Elhovo | 684.69 mi (1,101.90 km) |
| Ferentino to Etropole | 555.05 mi (893.26 km) |
| Ferentino to Gabrovo | 622.58 mi (1,001.95 km) |
| Ferentino to Gorna Oryahovitsa | 642.38 mi (1,033.80 km) |
| Ferentino to Gotse Delchev | 541.17 mi (870.92 km) |
| Ferentino to Harmanli | 651.12 mi (1,047.88 km) |
| Ferentino to Haskovo | 634.01 mi (1,020.34 km) |
| Ferentino to Ihtiman | 544.17 mi (875.76 km) |
| Ferentino to Isperih | 703.04 mi (1,131.43 km) |
| Ferentino to Kardzhali | 624.88 mi (1,005.65 km) |
