| Frankfurt to Isselburg | 153.14 mi (246.45 km) |
| Frankfurt to Issum | 139.47 mi (224.46 km) |
| Frankfurt to Itzehoe | 265.92 mi (427.96 km) |
| Frankfurt to Jena | 139.48 mi (224.47 km) |
| Frankfurt to Jever | 241.63 mi (388.87 km) |
| Frankfurt to Jork | 240.38 mi (386.85 km) |
| Frankfurt to Juchen | 117.58 mi (189.22 km) |
| Frankfurt to Julich | 116.48 mi (187.45 km) |
| Frankfurt to Juterbog | 230.78 mi (371.40 km) |
| Frankfurt to Kaarst | 118.41 mi (190.57 km) |
| Frankfurt to Kaiserslautern | 61.46 mi (98.91 km) |
| Frankfurt to Kalkar | 153.25 mi (246.63 km) |
| Frankfurt to Kall | 98.83 mi (159.04 km) |
| Frankfurt to Kaltenkirchen | 263.32 mi (423.78 km) |
| Frankfurt to Kamen | 111.53 mi (179.49 km) |