| Upper Grand Lagoon to Isny im Allgau | 4,957.93 mi (7,979.01 km) |
| Upper Grand Lagoon to Isselburg | 4,698.65 mi (7,561.74 km) |
| Upper Grand Lagoon to Issum | 4,704.32 mi (7,570.87 km) |
| Upper Grand Lagoon to Itzehoe | 4,762.46 mi (7,664.44 km) |
| Upper Grand Lagoon to Jena | 4,926.16 mi (7,927.88 km) |
| Upper Grand Lagoon to Jever | 4,710.48 mi (7,580.78 km) |
| Upper Grand Lagoon to Jork | 4,779.15 mi (7,691.31 km) |
| Upper Grand Lagoon to Juchen | 4,718.54 mi (7,593.75 km) |
| Upper Grand Lagoon to Julich | 4,717.29 mi (7,591.74 km) |
| Upper Grand Lagoon to Juterbog | 4,952.23 mi (7,969.84 km) |
| Upper Grand Lagoon to Kaarst | 4,720.23 mi (7,596.48 km) |
| Upper Grand Lagoon to Kaiserslautern | 4,813.77 mi (7,747.01 km) |
| Upper Grand Lagoon to Kalkar | 4,694.07 mi (7,554.37 km) |
| Upper Grand Lagoon to Kall | 4,734.58 mi (7,619.57 km) |
| Upper Grand Lagoon to Kaltenkirchen | 4,781.41 mi (7,694.93 km) |
