| Onex to Karlovo | 952.61 mi (1,533.09 km) |
| Onex to Karnobat | 1,056.19 mi (1,699.77 km) |
| Onex to Kavarna | 1,102.53 mi (1,774.35 km) |
| Onex to Kazanlak | 981.38 mi (1,579.38 km) |
| Onex to Knezha | 898.24 mi (1,445.58 km) |
| Onex to Kostinbrod | 873.06 mi (1,405.06 km) |
| Onex to Kozloduy | 875.64 mi (1,409.20 km) |
| Onex to Kyustendil | 862.15 mi (1,387.50 km) |
| Onex to Levski | 951.15 mi (1,530.73 km) |
| Onex to Lom | 851.14 mi (1,369.78 km) |
| Onex to Lovech | 936.54 mi (1,507.21 km) |
| Onex to Lukovit | 908.87 mi (1,462.69 km) |
| Onex to Lyaskovets | 984.90 mi (1,585.04 km) |
| Onex to Mezdra | 887.87 mi (1,428.88 km) |
| Onex to Momchilgrad | 1,011.54 mi (1,627.92 km) |
