| Spa to Karnobat | 1,135.14 mi (1,826.83 km) |
| Spa to Kavarna | 1,160.36 mi (1,867.42 km) |
| Spa to Kazanlak | 1,071.15 mi (1,723.85 km) |
| Spa to Knezha | 981.41 mi (1,579.43 km) |
| Spa to Kostinbrod | 975.37 mi (1,569.70 km) |
| Spa to Kozloduy | 955.79 mi (1,538.19 km) |
| Spa to Kyustendil | 978.31 mi (1,574.43 km) |
| Spa to Levski | 1,029.63 mi (1,657.02 km) |
| Spa to Lom | 933.95 mi (1,503.06 km) |
| Spa to Lovech | 1,022.03 mi (1,644.80 km) |
| Spa to Lukovit | 997.05 mi (1,604.60 km) |
| Spa to Lyaskovets | 1,064.24 mi (1,712.72 km) |
| Spa to Mezdra | 980.36 mi (1,577.74 km) |
| Spa to Momchilgrad | 1,118.68 mi (1,800.34 km) |
| Spa to Montana | 950.44 mi (1,529.58 km) |
