| Denver to Isny im Allgau | 5,197.54 mi (8,364.62 km) |
| Denver to Isselburg | 4,887.14 mi (7,865.09 km) |
| Denver to Issum | 4,898.99 mi (7,884.16 km) |
| Denver to Itzehoe | 4,886.97 mi (7,864.82 km) |
| Denver to Jena | 5,092.26 mi (8,195.20 km) |
| Denver to Jever | 4,853.73 mi (7,811.33 km) |
| Denver to Jork | 4,910.11 mi (7,902.07 km) |
| Denver to Juchen | 4,921.31 mi (7,920.08 km) |
| Denver to Julich | 4,924.68 mi (7,925.51 km) |
| Denver to Juterbog | 5,086.17 mi (8,185.39 km) |
| Denver to Kaarst | 4,919.85 mi (7,917.73 km) |
| Denver to Kaiserslautern | 5,039.04 mi (8,109.55 km) |
| Denver to Kalkar | 4,885.72 mi (7,862.81 km) |
| Denver to Kall | 4,947.87 mi (7,962.83 km) |
| Denver to Kaltenkirchen | 4,904.31 mi (7,892.73 km) |
