| Ostrhauderfehn to Karlovo | 1,071.13 mi (1,723.82 km) |
| Ostrhauderfehn to Karnobat | 1,146.95 mi (1,845.84 km) |
| Ostrhauderfehn to Kavarna | 1,157.31 mi (1,862.51 km) |
| Ostrhauderfehn to Kazanlak | 1,092.65 mi (1,758.45 km) |
| Ostrhauderfehn to Knezha | 1,002.75 mi (1,613.76 km) |
| Ostrhauderfehn to Kostinbrod | 1,009.42 mi (1,624.51 km) |
| Ostrhauderfehn to Kozloduy | 976.49 mi (1,571.52 km) |
| Ostrhauderfehn to Kyustendil | 1,021.18 mi (1,643.43 km) |
| Ostrhauderfehn to Levski | 1,045.57 mi (1,682.68 km) |
| Ostrhauderfehn to Lom | 957.57 mi (1,541.06 km) |
| Ostrhauderfehn to Lovech | 1,042.91 mi (1,678.40 km) |
| Ostrhauderfehn to Lukovit | 1,020.87 mi (1,642.94 km) |
| Ostrhauderfehn to Lyaskovets | 1,079.20 mi (1,736.80 km) |
| Ostrhauderfehn to Mezdra | 1,007.81 mi (1,621.91 km) |
| Ostrhauderfehn to Momchilgrad | 1,149.67 mi (1,850.21 km) |
