| Glassboro to Karlovo | 4,865.00 mi (7,829.45 km) |
| Glassboro to Karnobat | 4,953.74 mi (7,972.27 km) |
| Glassboro to Kavarna | 4,973.67 mi (8,004.34 km) |
| Glassboro to Kazanlak | 4,890.30 mi (7,870.17 km) |
| Glassboro to Knezha | 4,800.60 mi (7,725.82 km) |
| Glassboro to Kostinbrod | 4,792.66 mi (7,713.05 km) |
| Glassboro to Kozloduy | 4,774.97 mi (7,684.57 km) |
| Glassboro to Kyustendil | 4,791.97 mi (7,711.93 km) |
| Glassboro to Levski | 4,848.59 mi (7,803.05 km) |
| Glassboro to Lom | 4,753.12 mi (7,649.41 km) |
| Glassboro to Lovech | 4,841.22 mi (7,791.18 km) |
| Glassboro to Lukovit | 4,816.14 mi (7,750.83 km) |
| Glassboro to Lyaskovets | 4,883.15 mi (7,858.67 km) |
| Glassboro to Mezdra | 4,799.10 mi (7,723.40 km) |
| Glassboro to Momchilgrad | 4,935.94 mi (7,943.63 km) |
