| Sulingen to Karlovo | 1,012.96 mi (1,630.20 km) |
| Sulingen to Karnobat | 1,088.64 mi (1,752.00 km) |
| Sulingen to Kavarna | 1,099.22 mi (1,769.02 km) |
| Sulingen to Kazanlak | 1,034.41 mi (1,664.72 km) |
| Sulingen to Knezha | 944.53 mi (1,520.07 km) |
| Sulingen to Kostinbrod | 951.55 mi (1,531.37 km) |
| Sulingen to Kozloduy | 918.28 mi (1,477.82 km) |
| Sulingen to Kyustendil | 963.69 mi (1,550.90 km) |
| Sulingen to Levski | 987.28 mi (1,588.87 km) |
| Sulingen to Lom | 899.42 mi (1,447.48 km) |
| Sulingen to Lovech | 984.67 mi (1,584.67 km) |
| Sulingen to Lukovit | 962.70 mi (1,549.31 km) |
| Sulingen to Lyaskovets | 1,020.90 mi (1,642.97 km) |
| Sulingen to Mezdra | 949.72 mi (1,528.43 km) |
| Sulingen to Momchilgrad | 1,091.61 mi (1,756.78 km) |
