| Trondheim to Karlovo | 1,547.60 mi (2,490.61 km) |
| Trondheim to Karnobat | 1,582.60 mi (2,546.95 km) |
| Trondheim to Kavarna | 1,554.17 mi (2,501.19 km) |
| Trondheim to Kazanlak | 1,558.32 mi (2,507.88 km) |
| Trondheim to Knezha | 1,480.35 mi (2,382.40 km) |
| Trondheim to Kostinbrod | 1,513.57 mi (2,435.85 km) |
| Trondheim to Kozloduy | 1,456.56 mi (2,344.11 km) |
| Trondheim to Kyustendil | 1,542.16 mi (2,481.86 km) |
| Trondheim to Levski | 1,504.86 mi (2,421.84 km) |
| Trondheim to Lom | 1,446.77 mi (2,328.36 km) |
| Trondheim to Lovech | 1,513.83 mi (2,436.27 km) |
| Trondheim to Lukovit | 1,501.41 mi (2,416.28 km) |
| Trondheim to Lyaskovets | 1,531.48 mi (2,464.69 km) |
| Trondheim to Mezdra | 1,498.06 mi (2,410.90 km) |
| Trondheim to Momchilgrad | 1,630.08 mi (2,623.37 km) |
