| Frosinone to Devnya | 732.37 mi (1,178.63 km) |
| Frosinone to Dimitrovgrad | 630.67 mi (1,014.97 km) |
| Frosinone to Dobrich | 747.62 mi (1,203.17 km) |
| Frosinone to Dospat | 558.15 mi (898.25 km) |
| Frosinone to Dupnitsa | 503.59 mi (810.45 km) |
| Frosinone to Elhovo | 680.01 mi (1,094.37 km) |
| Frosinone to Etropole | 550.72 mi (886.29 km) |
| Frosinone to Gabrovo | 618.23 mi (994.94 km) |
| Frosinone to Gorna Oryahovitsa | 638.15 mi (1,027.00 km) |
| Frosinone to Gotse Delchev | 536.18 mi (862.90 km) |
| Frosinone to Harmanli | 646.34 mi (1,040.19 km) |
| Frosinone to Haskovo | 629.22 mi (1,012.64 km) |
| Frosinone to Ihtiman | 539.63 mi (868.45 km) |
| Frosinone to Isperih | 699.05 mi (1,125.01 km) |
| Frosinone to Kardzhali | 619.97 mi (997.75 km) |
