| Duluth to Isny im Allgau | 4,407.60 mi (7,093.34 km) |
| Duluth to Isselburg | 4,101.72 mi (6,601.09 km) |
| Duluth to Issum | 4,112.83 mi (6,618.96 km) |
| Duluth to Itzehoe | 4,111.33 mi (6,616.55 km) |
| Duluth to Jena | 4,311.48 mi (6,938.65 km) |
| Duluth to Jever | 4,074.74 mi (6,557.67 km) |
| Duluth to Jork | 4,133.57 mi (6,652.34 km) |
| Duluth to Juchen | 4,134.23 mi (6,653.41 km) |
| Duluth to Julich | 4,137.04 mi (6,657.92 km) |
| Duluth to Juterbog | 4,310.51 mi (6,937.09 km) |
| Duluth to Kaarst | 4,133.17 mi (6,651.69 km) |
| Duluth to Kaiserslautern | 4,249.89 mi (6,839.54 km) |
| Duluth to Kalkar | 4,099.87 mi (6,598.11 km) |
| Duluth to Kall | 4,159.63 mi (6,694.29 km) |
| Duluth to Kaltenkirchen | 4,129.09 mi (6,645.12 km) |
