| Sundsvall to Karlovo | 1,398.70 mi (2,250.98 km) |
| Sundsvall to Karnobat | 1,421.31 mi (2,287.38 km) |
| Sundsvall to Kavarna | 1,384.00 mi (2,227.34 km) |
| Sundsvall to Kazanlak | 1,405.98 mi (2,262.70 km) |
| Sundsvall to Knezha | 1,334.18 mi (2,147.15 km) |
| Sundsvall to Kostinbrod | 1,374.18 mi (2,211.53 km) |
| Sundsvall to Kozloduy | 1,312.02 mi (2,111.50 km) |
| Sundsvall to Kyustendil | 1,407.12 mi (2,264.54 km) |
| Sundsvall to Levski | 1,352.55 mi (2,176.72 km) |
| Sundsvall to Lom | 1,305.34 mi (2,100.75 km) |
| Sundsvall to Lovech | 1,364.49 mi (2,195.94 km) |
| Sundsvall to Lukovit | 1,355.31 mi (2,181.16 km) |
| Sundsvall to Lyaskovets | 1,376.31 mi (2,214.95 km) |
| Sundsvall to Mezdra | 1,354.98 mi (2,180.63 km) |
| Sundsvall to Momchilgrad | 1,479.73 mi (2,381.39 km) |
