| Key Largo to Isny im Allgau | 4,974.08 mi (8,005.00 km) |
| Key Largo to Isselburg | 4,742.45 mi (7,632.23 km) |
| Key Largo to Issum | 4,745.55 mi (7,637.22 km) |
| Key Largo to Itzehoe | 4,828.99 mi (7,771.50 km) |
| Key Largo to Jena | 4,971.86 mi (8,001.44 km) |
| Key Largo to Jever | 4,771.39 mi (7,678.80 km) |
| Key Largo to Jork | 4,842.72 mi (7,793.60 km) |
| Key Largo to Juchen | 4,756.18 mi (7,654.33 km) |
| Key Largo to Julich | 4,753.16 mi (7,649.48 km) |
| Key Largo to Juterbog | 5,009.56 mi (8,062.11 km) |
| Key Largo to Kaarst | 4,759.05 mi (7,658.95 km) |
| Key Largo to Kaiserslautern | 4,839.76 mi (7,788.84 km) |
| Key Largo to Kalkar | 4,736.77 mi (7,623.10 km) |
| Key Largo to Kall | 4,767.63 mi (7,672.76 km) |
| Key Largo to Kaltenkirchen | 4,847.98 mi (7,802.08 km) |
