| Covington to Karlovo | 5,268.89 mi (8,479.46 km) |
| Covington to Karnobat | 5,352.05 mi (8,613.29 km) |
| Covington to Kavarna | 5,364.89 mi (8,633.96 km) |
| Covington to Kazanlak | 5,292.80 mi (8,517.94 km) |
| Covington to Knezha | 5,202.60 mi (8,372.77 km) |
| Covington to Kostinbrod | 5,199.78 mi (8,368.24 km) |
| Covington to Kozloduy | 5,176.59 mi (8,330.92 km) |
| Covington to Kyustendil | 5,202.67 mi (8,372.88 km) |
| Covington to Levski | 5,248.52 mi (8,446.68 km) |
| Covington to Lom | 5,155.78 mi (8,297.43 km) |
| Covington to Lovech | 5,243.22 mi (8,438.14 km) |
| Covington to Lukovit | 5,219.24 mi (8,399.56 km) |
| Covington to Lyaskovets | 5,282.75 mi (8,501.77 km) |
| Covington to Mezdra | 5,203.58 mi (8,374.35 km) |
| Covington to Momchilgrad | 5,342.99 mi (8,598.71 km) |
