| Helmstedt to Isselburg | 195.04 mi (313.89 km) |
| Helmstedt to Issum | 201.30 mi (323.97 km) |
| Helmstedt to Itzehoe | 132.63 mi (213.45 km) |
| Helmstedt to Jena | 93.22 mi (150.02 km) |
| Helmstedt to Jever | 159.51 mi (256.70 km) |
| Helmstedt to Jork | 105.90 mi (170.44 km) |
| Helmstedt to Juchen | 208.29 mi (335.21 km) |
| Helmstedt to Julich | 219.15 mi (352.69 km) |
| Helmstedt to Juterbog | 88.99 mi (143.22 km) |
| Helmstedt to Kaarst | 200.59 mi (322.82 km) |
| Helmstedt to Kaiserslautern | 238.68 mi (384.12 km) |
| Helmstedt to Kalkar | 203.56 mi (327.60 km) |
| Helmstedt to Kall | 224.53 mi (361.35 km) |
| Helmstedt to Kaltenkirchen | 119.59 mi (192.47 km) |
| Helmstedt to Kamen | 149.20 mi (240.11 km) |