| Bonham to Karlovo | 5,983.92 mi (9,630.19 km) |
| Bonham to Karnobat | 6,062.58 mi (9,756.78 km) |
| Bonham to Kavarna | 6,069.90 mi (9,768.56 km) |
| Bonham to Kazanlak | 6,006.71 mi (9,666.86 km) |
| Bonham to Knezha | 5,916.51 mi (9,521.70 km) |
| Bonham to Kostinbrod | 5,917.39 mi (9,523.12 km) |
| Bonham to Kozloduy | 5,890.34 mi (9,479.58 km) |
| Bonham to Kyustendil | 5,922.78 mi (9,531.80 km) |
| Bonham to Levski | 5,960.72 mi (9,592.85 km) |
| Bonham to Lom | 5,870.37 mi (9,447.44 km) |
| Bonham to Lovech | 5,956.96 mi (9,586.81 km) |
| Bonham to Lukovit | 5,933.89 mi (9,549.68 km) |
| Bonham to Lyaskovets | 5,994.55 mi (9,647.30 km) |
| Bonham to Mezdra | 5,919.29 mi (9,526.18 km) |
| Bonham to Momchilgrad | 6,060.01 mi (9,752.64 km) |
