| Middleton to Karlovo | 1,442.83 mi (2,322.02 km) |
| Middleton to Karnobat | 1,527.70 mi (2,458.59 km) |
| Middleton to Kavarna | 1,546.42 mi (2,488.73 km) |
| Middleton to Kazanlak | 1,466.89 mi (2,360.73 km) |
| Middleton to Knezha | 1,376.74 mi (2,215.65 km) |
| Middleton to Kostinbrod | 1,374.19 mi (2,211.54 km) |
| Middleton to Kozloduy | 1,350.80 mi (2,173.90 km) |
| Middleton to Kyustendil | 1,378.84 mi (2,219.03 km) |
| Middleton to Levski | 1,423.32 mi (2,290.61 km) |
| Middleton to Lom | 1,329.80 mi (2,140.10 km) |
| Middleton to Lovech | 1,417.38 mi (2,281.05 km) |
| Middleton to Lukovit | 1,393.23 mi (2,242.19 km) |
| Middleton to Lyaskovets | 1,457.71 mi (2,345.96 km) |
| Middleton to Mezdra | 1,377.53 mi (2,216.91 km) |
| Middleton to Momchilgrad | 1,517.22 mi (2,441.73 km) |
