| Cottonwood to Karlovo | 6,436.11 mi (10,357.91 km) |
| Cottonwood to Karnobat | 6,497.77 mi (10,457.15 km) |
| Cottonwood to Kavarna | 6,487.38 mi (10,440.43 km) |
| Cottonwood to Kazanlak | 6,454.53 mi (10,387.57 km) |
| Cottonwood to Knezha | 6,366.65 mi (10,246.13 km) |
| Cottonwood to Kostinbrod | 6,380.16 mi (10,267.88 km) |
| Cottonwood to Kozloduy | 6,340.58 mi (10,204.18 km) |
| Cottonwood to Kyustendil | 6,394.32 mi (10,290.66 km) |
| Cottonwood to Levski | 6,404.02 mi (10,306.28 km) |
| Cottonwood to Lom | 6,323.94 mi (10,177.40 km) |
| Cottonwood to Lovech | 6,405.51 mi (10,308.68 km) |
| Cottonwood to Lukovit | 6,386.07 mi (10,277.38 km) |
| Cottonwood to Lyaskovets | 6,435.68 mi (10,357.22 km) |
| Cottonwood to Mezdra | 6,375.45 mi (10,260.29 km) |
| Cottonwood to Momchilgrad | 6,517.15 mi (10,488.34 km) |
