| Fort Collins to Erba | 5,224.65 mi (8,408.27 km) |
| Fort Collins to Erchie | 5,788.77 mi (9,316.12 km) |
| Fort Collins to Ercolano | 5,653.29 mi (9,098.09 km) |
| Fort Collins to Erice | 5,731.01 mi (9,223.17 km) |
| Fort Collins to Este | 5,336.89 mi (8,588.89 km) |
| Fort Collins to Fabriano | 5,474.60 mi (8,810.52 km) |
| Fort Collins to Faenza | 5,391.40 mi (8,676.62 km) |
| Fort Collins to Fagnano Olona | 5,219.80 mi (8,400.46 km) |
| Fort Collins to Fano | 5,452.79 mi (8,775.41 km) |
| Fort Collins to Fara in Sabina | 5,524.61 mi (8,891.00 km) |
| Fort Collins to Farra di Soligo | 5,319.71 mi (8,561.25 km) |
| Fort Collins to Fasano | 5,755.24 mi (9,262.17 km) |
| Fort Collins to Favara | 5,807.36 mi (9,346.04 km) |
| Fort Collins to Felino | 5,314.70 mi (8,553.18 km) |
| Fort Collins to Feltre | 5,306.09 mi (8,539.32 km) |
