| Monroe to Karlovo | 5,886.69 mi (9,473.70 km) |
| Monroe to Karnobat | 5,969.75 mi (9,607.38 km) |
| Monroe to Kavarna | 5,982.19 mi (9,627.41 km) |
| Monroe to Kazanlak | 5,910.59 mi (9,512.17 km) |
| Monroe to Knezha | 5,820.39 mi (9,367.01 km) |
| Monroe to Kostinbrod | 5,817.53 mi (9,362.41 km) |
| Monroe to Kozloduy | 5,794.38 mi (9,325.15 km) |
| Monroe to Kyustendil | 5,820.28 mi (9,366.84 km) |
| Monroe to Levski | 5,866.28 mi (9,440.86 km) |
| Monroe to Lom | 5,773.57 mi (9,291.67 km) |
| Monroe to Lovech | 5,861.00 mi (9,432.37 km) |
| Monroe to Lukovit | 5,837.04 mi (9,393.80 km) |
| Monroe to Lyaskovets | 5,900.50 mi (9,495.93 km) |
| Monroe to Mezdra | 5,821.37 mi (9,368.59 km) |
| Monroe to Momchilgrad | 5,960.75 mi (9,592.89 km) |
