| Cheyenne to Karlovo | 5,851.61 mi (9,417.25 km) |
| Cheyenne to Karnobat | 5,915.58 mi (9,520.21 km) |
| Cheyenne to Kavarna | 5,907.70 mi (9,507.52 km) |
| Cheyenne to Kazanlak | 5,870.61 mi (9,447.83 km) |
| Cheyenne to Knezha | 5,782.25 mi (9,305.64 km) |
| Cheyenne to Kostinbrod | 5,794.33 mi (9,325.08 km) |
| Cheyenne to Kozloduy | 5,756.12 mi (9,263.58 km) |
| Cheyenne to Kyustendil | 5,807.59 mi (9,346.41 km) |
| Cheyenne to Levski | 5,820.55 mi (9,367.28 km) |
| Cheyenne to Lom | 5,739.05 mi (9,236.11 km) |
| Cheyenne to Lovech | 5,821.39 mi (9,368.62 km) |
| Cheyenne to Lukovit | 5,801.47 mi (9,336.56 km) |
| Cheyenne to Lyaskovets | 5,852.56 mi (9,418.79 km) |
| Cheyenne to Mezdra | 5,790.36 mi (9,318.68 km) |
| Cheyenne to Momchilgrad | 5,932.23 mi (9,547.00 km) |
