| Olton to Karlovo | 1,402.29 mi (2,256.77 km) |
| Olton to Karnobat | 1,490.45 mi (2,398.65 km) |
| Olton to Kavarna | 1,513.23 mi (2,435.31 km) |
| Olton to Kazanlak | 1,427.20 mi (2,296.86 km) |
| Olton to Knezha | 1,337.36 mi (2,152.27 km) |
| Olton to Kostinbrod | 1,331.55 mi (2,142.93 km) |
| Olton to Kozloduy | 1,311.66 mi (2,110.92 km) |
| Olton to Kyustendil | 1,333.96 mi (2,146.80 km) |
| Olton to Levski | 1,385.21 mi (2,229.28 km) |
| Olton to Lom | 1,289.98 mi (2,076.03 km) |
| Olton to Lovech | 1,377.99 mi (2,217.67 km) |
| Olton to Lukovit | 1,353.15 mi (2,177.69 km) |
| Olton to Lyaskovets | 1,419.78 mi (2,284.91 km) |
| Olton to Mezdra | 1,336.57 mi (2,150.99 km) |
| Olton to Momchilgrad | 1,474.88 mi (2,373.59 km) |
