| Colorado Springs to Karlovo | 5,979.60 mi (9,623.23 km) |
| Colorado Springs to Karnobat | 6,045.59 mi (9,729.44 km) |
| Colorado Springs to Kavarna | 6,039.61 mi (9,719.81 km) |
| Colorado Springs to Kazanlak | 5,999.13 mi (9,654.66 km) |
| Colorado Springs to Knezha | 5,910.38 mi (9,511.83 km) |
| Colorado Springs to Kostinbrod | 5,920.99 mi (9,528.92 km) |
| Colorado Springs to Kozloduy | 5,884.19 mi (9,469.69 km) |
| Colorado Springs to Kyustendil | 5,933.21 mi (9,548.58 km) |
| Colorado Springs to Levski | 5,949.52 mi (9,574.82 km) |
| Colorado Springs to Lom | 5,866.71 mi (9,441.56 km) |
| Colorado Springs to Lovech | 5,949.76 mi (9,575.21 km) |
| Colorado Springs to Lukovit | 5,929.38 mi (9,542.42 km) |
| Colorado Springs to Lyaskovets | 5,981.82 mi (9,626.80 km) |
| Colorado Springs to Mezdra | 5,917.79 mi (9,523.77 km) |
| Colorado Springs to Momchilgrad | 6,059.76 mi (9,752.25 km) |
