| Fort Collins to Ilawa | 5,148.65 mi (8,285.95 km) |
| Fort Collins to Imielin | 5,321.59 mi (8,564.27 km) |
| Fort Collins to Inowroclaw | 5,155.35 mi (8,296.74 km) |
| Fort Collins to Janow Lubelski | 5,379.15 mi (8,656.90 km) |
| Fort Collins to Jarocin | 5,176.99 mi (8,331.57 km) |
| Fort Collins to Jaroslaw | 5,424.31 mi (8,729.59 km) |
| Fort Collins to Jasien | 5,083.06 mi (8,180.39 km) |
| Fort Collins to Jaslo | 5,405.75 mi (8,699.71 km) |
| Fort Collins to Jastrzebie-Zdroj | 5,313.06 mi (8,550.55 km) |
| Fort Collins to Jawor | 5,186.81 mi (8,347.37 km) |
| Fort Collins to Jaworzno | 5,319.35 mi (8,560.66 km) |
| Fort Collins to Jedrzejow | 5,325.59 mi (8,570.71 km) |
| Fort Collins to Jelcz-Laskowice | 5,220.53 mi (8,401.63 km) |
| Fort Collins to Jelenia Gora | 5,180.65 mi (8,337.45 km) |
| Fort Collins to Jozefoslaw | 5,267.59 mi (8,477.37 km) |
