| Diepholz to Karlovo | 1,025.05 mi (1,649.66 km) |
| Diepholz to Karnobat | 1,101.77 mi (1,773.12 km) |
| Diepholz to Kavarna | 1,113.34 mi (1,791.75 km) |
| Diepholz to Kazanlak | 1,046.79 mi (1,684.64 km) |
| Diepholz to Knezha | 956.80 mi (1,539.83 km) |
| Diepholz to Kostinbrod | 962.86 mi (1,549.58 km) |
| Diepholz to Kozloduy | 930.56 mi (1,497.59 km) |
| Diepholz to Kyustendil | 974.31 mi (1,568.00 km) |
| Diepholz to Levski | 1,000.00 mi (1,609.34 km) |
| Diepholz to Lom | 911.46 mi (1,466.85 km) |
| Diepholz to Lovech | 997.03 mi (1,604.57 km) |
| Diepholz to Lukovit | 974.81 mi (1,568.81 km) |
| Diepholz to Lyaskovets | 1,033.73 mi (1,663.62 km) |
| Diepholz to Mezdra | 961.54 mi (1,547.46 km) |
| Diepholz to Momchilgrad | 1,103.35 mi (1,775.67 km) |
