| Cascais to Karlovo | 1,801.52 mi (2,899.26 km) |
| Cascais to Karnobat | 1,911.94 mi (3,076.98 km) |
| Cascais to Kavarna | 1,976.20 mi (3,180.38 km) |
| Cascais to Kazanlak | 1,831.71 mi (2,947.85 km) |
| Cascais to Knezha | 1,763.08 mi (2,837.40 km) |
| Cascais to Kostinbrod | 1,720.38 mi (2,768.68 km) |
| Cascais to Kozloduy | 1,745.47 mi (2,809.06 km) |
| Cascais to Kyustendil | 1,694.56 mi (2,727.13 km) |
| Cascais to Levski | 1,815.94 mi (2,922.48 km) |
| Cascais to Lom | 1,720.76 mi (2,769.30 km) |
| Cascais to Lovech | 1,795.52 mi (2,889.61 km) |
| Cascais to Lukovit | 1,767.66 mi (2,844.77 km) |
| Cascais to Lyaskovets | 1,845.98 mi (2,970.82 km) |
| Cascais to Mezdra | 1,744.23 mi (2,807.06 km) |
| Cascais to Momchilgrad | 1,838.39 mi (2,958.60 km) |
