| Aci Castello to Karlovo | 619.29 mi (996.65 km) |
| Aci Castello to Karnobat | 716.36 mi (1,152.87 km) |
| Aci Castello to Kavarna | 801.76 mi (1,290.31 km) |
| Aci Castello to Kazanlak | 644.35 mi (1,036.97 km) |
| Aci Castello to Knezha | 623.04 mi (1,002.69 km) |
| Aci Castello to Kostinbrod | 559.55 mi (900.51 km) |
| Aci Castello to Kozloduy | 622.00 mi (1,001.01 km) |
| Aci Castello to Kyustendil | 515.62 mi (829.81 km) |
| Aci Castello to Levski | 660.17 mi (1,062.44 km) |
| Aci Castello to Lom | 605.54 mi (974.52 km) |
| Aci Castello to Lovech | 633.84 mi (1,020.07 km) |
| Aci Castello to Lukovit | 613.81 mi (987.83 km) |
| Aci Castello to Lyaskovets | 675.02 mi (1,086.34 km) |
| Aci Castello to Mezdra | 592.97 mi (954.29 km) |
| Aci Castello to Momchilgrad | 611.80 mi (984.60 km) |
