| Great Falls to Isny im Allgau | 4,975.81 mi (8,007.78 km) |
| Great Falls to Isselburg | 4,653.03 mi (7,488.33 km) |
| Great Falls to Issum | 4,667.33 mi (7,511.34 km) |
| Great Falls to Itzehoe | 4,623.20 mi (7,440.33 km) |
| Great Falls to Jena | 4,839.98 mi (7,789.19 km) |
| Great Falls to Jever | 4,599.85 mi (7,402.75 km) |
| Great Falls to Jork | 4,648.43 mi (7,480.92 km) |
| Great Falls to Juchen | 4,692.60 mi (7,552.01 km) |
| Great Falls to Julich | 4,698.02 mi (7,560.73 km) |
| Great Falls to Juterbog | 4,819.33 mi (7,755.96 km) |
| Great Falls to Kaarst | 4,689.70 mi (7,547.35 km) |
| Great Falls to Kaiserslautern | 4,816.45 mi (7,751.33 km) |
| Great Falls to Kalkar | 4,653.16 mi (7,488.54 km) |
| Great Falls to Kall | 4,723.10 mi (7,601.10 km) |
| Great Falls to Kaltenkirchen | 4,639.15 mi (7,466.00 km) |
