| Key West to Isny im Allgau | 5,061.80 mi (8,146.17 km) |
| Key West to Isselburg | 4,827.94 mi (7,769.81 km) |
| Key West to Issum | 4,831.25 mi (7,775.14 km) |
| Key West to Itzehoe | 4,912.58 mi (7,906.04 km) |
| Key West to Jena | 5,057.34 mi (8,139.00 km) |
| Key West to Jever | 4,855.45 mi (7,814.09 km) |
| Key West to Jork | 4,926.59 mi (7,928.58 km) |
| Key West to Juchen | 4,842.17 mi (7,792.72 km) |
| Key West to Julich | 4,839.29 mi (7,788.09 km) |
| Key West to Juterbog | 5,094.08 mi (8,198.13 km) |
| Key West to Kaarst | 4,844.95 mi (7,797.20 km) |
| Key West to Kaiserslautern | 4,926.69 mi (7,928.75 km) |
| Key West to Kalkar | 4,822.35 mi (7,760.82 km) |
| Key West to Kall | 4,853.99 mi (7,811.74 km) |
| Key West to Kaltenkirchen | 4,931.59 mi (7,936.63 km) |
