| Sofia to Isselburg | 1,007.43 mi (1,621.30 km) |
| Sofia to Issum | 998.35 mi (1,606.69 km) |
| Sofia to Itzehoe | 998.58 mi (1,607.06 km) |
| Sofia to Jena | 792.84 mi (1,275.95 km) |
| Sofia to Jever | 1,030.41 mi (1,658.29 km) |
| Sofia to Jork | 974.72 mi (1,568.67 km) |
| Sofia to Juchen | 980.13 mi (1,577.36 km) |
| Sofia to Julich | 979.52 mi (1,576.38 km) |
| Sofia to Juterbog | 800.16 mi (1,287.73 km) |
| Sofia to Kaarst | 979.82 mi (1,576.86 km) |
| Sofia to Kaiserslautern | 876.95 mi (1,411.31 km) |
| Sofia to Kalkar | 1,010.33 mi (1,625.97 km) |
| Sofia to Kall | 959.92 mi (1,544.84 km) |
| Sofia to Kaltenkirchen | 981.75 mi (1,579.97 km) |
| Sofia to Kamen | 955.31 mi (1,537.42 km) |
