| Glen Allen to Karlovo | 5,053.63 mi (8,133.03 km) |
| Glen Allen to Karnobat | 5,142.76 mi (8,276.47 km) |
| Glen Allen to Kavarna | 5,163.10 mi (8,309.20 km) |
| Glen Allen to Kazanlak | 5,079.03 mi (8,173.91 km) |
| Glen Allen to Knezha | 4,989.39 mi (8,029.65 km) |
| Glen Allen to Kostinbrod | 4,981.05 mi (8,016.23 km) |
| Glen Allen to Kozloduy | 4,963.80 mi (7,988.46 km) |
| Glen Allen to Kyustendil | 4,980.03 mi (8,014.58 km) |
| Glen Allen to Levski | 5,037.52 mi (8,107.11 km) |
| Glen Allen to Lom | 4,941.88 mi (7,953.19 km) |
| Glen Allen to Lovech | 5,030.00 mi (8,095.00 km) |
| Glen Allen to Lukovit | 5,004.85 mi (8,054.53 km) |
| Glen Allen to Lyaskovets | 5,072.10 mi (8,162.75 km) |
| Glen Allen to Mezdra | 4,987.70 mi (8,026.93 km) |
| Glen Allen to Momchilgrad | 5,124.29 mi (8,246.75 km) |
