| Felton to Karlovo | 1,415.42 mi (2,277.89 km) |
| Felton to Karnobat | 1,506.78 mi (2,424.93 km) |
| Felton to Kavarna | 1,533.53 mi (2,467.98 km) |
| Felton to Kazanlak | 1,441.16 mi (2,319.32 km) |
| Felton to Knezha | 1,351.88 mi (2,175.64 km) |
| Felton to Kostinbrod | 1,342.63 mi (2,160.76 km) |
| Felton to Kozloduy | 1,326.51 mi (2,134.81 km) |
| Felton to Kyustendil | 1,342.55 mi (2,160.63 km) |
| Felton to Levski | 1,400.91 mi (2,254.55 km) |
| Felton to Lom | 1,304.19 mi (2,098.89 km) |
| Felton to Lovech | 1,392.40 mi (2,240.85 km) |
| Felton to Lukovit | 1,366.90 mi (2,199.81 km) |
| Felton to Lyaskovets | 1,435.57 mi (2,310.33 km) |
| Felton to Mezdra | 1,349.43 mi (2,171.70 km) |
| Felton to Momchilgrad | 1,485.91 mi (2,391.35 km) |
