| Gresham to Karlovo | 6,021.95 mi (9,691.39 km) |
| Gresham to Karnobat | 6,063.34 mi (9,758.01 km) |
| Gresham to Kavarna | 6,035.40 mi (9,713.04 km) |
| Gresham to Kazanlak | 6,035.02 mi (9,712.43 km) |
| Gresham to Knezha | 5,953.29 mi (9,580.90 km) |
| Gresham to Kostinbrod | 5,979.62 mi (9,623.26 km) |
| Gresham to Kozloduy | 5,928.45 mi (9,540.92 km) |
| Gresham to Kyustendil | 6,002.59 mi (9,660.23 km) |
| Gresham to Levski | 5,981.93 mi (9,626.98 km) |
| Gresham to Lom | 5,916.03 mi (9,520.93 km) |
| Gresham to Lovech | 5,988.84 mi (9,638.10 km) |
| Gresham to Lukovit | 5,974.03 mi (9,614.27 km) |
| Gresham to Lyaskovets | 6,009.99 mi (9,672.14 km) |
| Gresham to Mezdra | 5,968.06 mi (9,604.67 km) |
| Gresham to Momchilgrad | 6,104.79 mi (9,824.70 km) |
