| Fort Collins to Celbridge | 4,351.93 mi (7,003.75 km) |
| Fort Collins to Clondalkin | 4,357.60 mi (7,012.88 km) |
| Fort Collins to Clonmel | 4,346.94 mi (6,995.72 km) |
| Fort Collins to Cobh | 4,344.37 mi (6,991.58 km) |
| Fort Collins to Cork | 4,336.40 mi (6,978.77 km) |
| Fort Collins to Donegal | 4,249.87 mi (6,839.50 km) |
| Fort Collins to Douglas | 4,338.40 mi (6,981.98 km) |
| Fort Collins to Drogheda | 4,344.40 mi (6,991.64 km) |
| Fort Collins to Dublin | 4,361.16 mi (7,018.61 km) |
| Fort Collins to Dun Dealgan | 4,331.72 mi (6,971.24 km) |
| Fort Collins to Ennis | 4,283.75 mi (6,894.03 km) |
| Fort Collins to Enniscorthy | 4,382.15 mi (7,052.38 km) |
| Fort Collins to Finglas | 4,358.54 mi (7,014.39 km) |
| Fort Collins to Galway | 4,266.16 mi (6,865.72 km) |
| Fort Collins to Glanmire | 4,338.22 mi (6,981.70 km) |
