| Caernarfon to Karlovo | 1,515.08 mi (2,438.28 km) |
| Caernarfon to Karnobat | 1,602.41 mi (2,578.84 km) |
| Caernarfon to Kavarna | 1,623.87 mi (2,613.37 km) |
| Caernarfon to Kazanlak | 1,539.80 mi (2,478.06 km) |
| Caernarfon to Knezha | 1,449.86 mi (2,333.32 km) |
| Caernarfon to Kostinbrod | 1,444.74 mi (2,325.09 km) |
| Caernarfon to Kozloduy | 1,424.09 mi (2,291.86 km) |
| Caernarfon to Kyustendil | 1,447.48 mi (2,329.50 km) |
| Caernarfon to Levski | 1,497.39 mi (2,409.82 km) |
| Caernarfon to Lom | 1,402.58 mi (2,257.23 km) |
| Caernarfon to Lovech | 1,490.50 mi (2,398.73 km) |
| Caernarfon to Lukovit | 1,465.82 mi (2,359.01 km) |
| Caernarfon to Lyaskovets | 1,531.92 mi (2,465.39 km) |
| Caernarfon to Mezdra | 1,449.43 mi (2,332.63 km) |
| Caernarfon to Momchilgrad | 1,588.04 mi (2,555.71 km) |
