| Frankenthal to Isselburg | 179.00 mi (288.08 km) |
| Frankenthal to Issum | 162.34 mi (261.27 km) |
| Frankenthal to Itzehoe | 307.50 mi (494.88 km) |
| Frankenthal to Jena | 172.41 mi (277.47 km) |
| Frankenthal to Jever | 279.88 mi (450.42 km) |
| Frankenthal to Jork | 282.30 mi (454.32 km) |
| Frankenthal to Juchen | 135.58 mi (218.19 km) |
| Frankenthal to Julich | 130.22 mi (209.57 km) |
| Frankenthal to Juterbog | 267.28 mi (430.15 km) |
| Frankenthal to Kaarst | 139.14 mi (223.92 km) |
| Frankenthal to Kaiserslautern | 26.79 mi (43.11 km) |
| Frankenthal to Kalkar | 177.05 mi (284.94 km) |
| Frankenthal to Kall | 106.36 mi (171.17 km) |
| Frankenthal to Kaltenkirchen | 305.41 mi (491.51 km) |
| Frankenthal to Kamen | 145.36 mi (233.93 km) |
