| Wheat Ridge to Karlovo | 5,938.43 mi (9,556.99 km) |
| Wheat Ridge to Karnobat | 6,003.30 mi (9,661.37 km) |
| Wheat Ridge to Kavarna | 5,996.23 mi (9,649.99 km) |
| Wheat Ridge to Kazanlak | 5,957.67 mi (9,587.94 km) |
| Wheat Ridge to Knezha | 5,869.13 mi (9,445.46 km) |
| Wheat Ridge to Kostinbrod | 5,880.57 mi (9,463.86 km) |
| Wheat Ridge to Kozloduy | 5,842.97 mi (9,403.36 km) |
| Wheat Ridge to Kyustendil | 5,893.35 mi (9,484.44 km) |
| Wheat Ridge to Levski | 5,907.80 mi (9,507.69 km) |
| Wheat Ridge to Lom | 5,825.72 mi (9,375.59 km) |
| Wheat Ridge to Lovech | 5,908.38 mi (9,508.62 km) |
| Wheat Ridge to Lukovit | 5,888.26 mi (9,476.23 km) |
| Wheat Ridge to Lyaskovets | 5,939.94 mi (9,559.41 km) |
| Wheat Ridge to Mezdra | 5,876.93 mi (9,458.01 km) |
| Wheat Ridge to Momchilgrad | 6,018.86 mi (9,686.42 km) |
