| Schmalkalden to Karlovo | 877.31 mi (1,411.90 km) |
| Schmalkalden to Karnobat | 958.94 mi (1,543.26 km) |
| Schmalkalden to Kavarna | 976.74 mi (1,571.91 km) |
| Schmalkalden to Kazanlak | 900.28 mi (1,448.87 km) |
| Schmalkalden to Knezha | 810.05 mi (1,303.65 km) |
| Schmalkalden to Kostinbrod | 812.19 mi (1,307.10 km) |
| Schmalkalden to Kozloduy | 783.92 mi (1,261.60 km) |
| Schmalkalden to Kyustendil | 821.41 mi (1,321.94 km) |
| Schmalkalden to Levski | 855.31 mi (1,376.48 km) |
| Schmalkalden to Lom | 763.77 mi (1,229.16 km) |
| Schmalkalden to Lovech | 850.58 mi (1,368.87 km) |
| Schmalkalden to Lukovit | 827.29 mi (1,331.40 km) |
| Schmalkalden to Lyaskovets | 889.51 mi (1,431.52 km) |
| Schmalkalden to Mezdra | 812.82 mi (1,308.11 km) |
| Schmalkalden to Momchilgrad | 953.99 mi (1,535.30 km) |
