| Ionia to Karlovo | 5,099.83 mi (8,207.39 km) |
| Ionia to Karnobat | 5,178.79 mi (8,334.46 km) |
| Ionia to Kavarna | 5,186.87 mi (8,347.46 km) |
| Ionia to Kazanlak | 5,122.67 mi (8,244.13 km) |
| Ionia to Knezha | 5,032.46 mi (8,098.96 km) |
| Ionia to Kostinbrod | 5,033.30 mi (8,100.31 km) |
| Ionia to Kozloduy | 5,006.29 mi (8,056.85 km) |
| Ionia to Kyustendil | 5,038.80 mi (8,109.17 km) |
| Ionia to Levski | 5,076.77 mi (8,170.28 km) |
| Ionia to Lom | 4,986.29 mi (8,024.66 km) |
| Ionia to Lovech | 5,072.93 mi (8,164.08 km) |
| Ionia to Lukovit | 5,049.82 mi (8,126.89 km) |
| Ionia to Lyaskovets | 5,110.64 mi (8,224.79 km) |
| Ionia to Mezdra | 5,035.19 mi (8,103.36 km) |
| Ionia to Momchilgrad | 5,175.90 mi (8,329.81 km) |
