| Diest to Karnobat | 1,180.36 mi (1,899.61 km) |
| Diest to Kavarna | 1,204.05 mi (1,937.73 km) |
| Diest to Kazanlak | 1,117.19 mi (1,797.94 km) |
| Diest to Knezha | 1,027.30 mi (1,653.28 km) |
| Diest to Kostinbrod | 1,022.31 mi (1,645.24 km) |
| Diest to Kozloduy | 1,001.58 mi (1,611.89 km) |
| Diest to Kyustendil | 1,025.87 mi (1,650.98 km) |
| Diest to Levski | 1,075.09 mi (1,730.19 km) |
| Diest to Lom | 979.97 mi (1,577.11 km) |
| Diest to Lovech | 1,067.94 mi (1,718.68 km) |
| Diest to Lukovit | 1,043.19 mi (1,678.85 km) |
| Diest to Lyaskovets | 1,109.66 mi (1,785.83 km) |
| Diest to Mezdra | 1,026.78 mi (1,652.44 km) |
| Diest to Momchilgrad | 1,165.56 mi (1,875.78 km) |
| Diest to Montana | 996.87 mi (1,604.30 km) |
