| Morriston to Karlovo | 1,474.84 mi (2,373.52 km) |
| Morriston to Karnobat | 1,566.32 mi (2,520.75 km) |
| Morriston to Kavarna | 1,593.06 mi (2,563.79 km) |
| Morriston to Kazanlak | 1,500.62 mi (2,415.02 km) |
| Morriston to Knezha | 1,411.37 mi (2,271.38 km) |
| Morriston to Kostinbrod | 1,401.93 mi (2,256.18 km) |
| Morriston to Kozloduy | 1,386.02 mi (2,230.58 km) |
| Morriston to Kyustendil | 1,401.62 mi (2,255.69 km) |
| Morriston to Levski | 1,460.44 mi (2,350.36 km) |
| Morriston to Lom | 1,363.68 mi (2,194.62 km) |
| Morriston to Lovech | 1,451.88 mi (2,336.58 km) |
| Morriston to Lukovit | 1,426.36 mi (2,295.50 km) |
| Morriston to Lyaskovets | 1,495.10 mi (2,406.14 km) |
| Morriston to Mezdra | 1,408.84 mi (2,267.31 km) |
| Morriston to Momchilgrad | 1,545.19 mi (2,486.74 km) |
