| Spelle to Karlovo | 1,047.11 mi (1,685.17 km) |
| Spelle to Karnobat | 1,126.37 mi (1,812.72 km) |
| Spelle to Kavarna | 1,140.49 mi (1,835.44 km) |
| Spelle to Kazanlak | 1,069.55 mi (1,721.27 km) |
| Spelle to Knezha | 979.38 mi (1,576.16 km) |
| Spelle to Kostinbrod | 983.07 mi (1,582.09 km) |
| Spelle to Kozloduy | 953.18 mi (1,534.00 km) |
| Spelle to Kyustendil | 992.83 mi (1,597.80 km) |
| Spelle to Levski | 1,023.66 mi (1,647.42 km) |
| Spelle to Lom | 933.49 mi (1,502.31 km) |
| Spelle to Lovech | 1,019.79 mi (1,641.20 km) |
| Spelle to Lukovit | 996.98 mi (1,604.48 km) |
| Spelle to Lyaskovets | 1,057.64 mi (1,702.11 km) |
| Spelle to Mezdra | 983.00 mi (1,581.99 km) |
| Spelle to Momchilgrad | 1,124.46 mi (1,809.65 km) |
