| Fort Collins to Acqui Terme | 5,253.56 mi (8,454.79 km) |
| Fort Collins to Acri | 5,791.64 mi (9,320.75 km) |
| Fort Collins to Adelfia | 5,729.56 mi (9,220.83 km) |
| Fort Collins to Adrano | 5,832.14 mi (9,385.92 km) |
| Fort Collins to Adria | 5,358.97 mi (8,624.43 km) |
| Fort Collins to Afragola | 5,646.13 mi (9,086.57 km) |
| Fort Collins to Agliana | 5,380.07 mi (8,658.39 km) |
| Fort Collins to Agrate Brianza | 5,240.53 mi (8,433.83 km) |
| Fort Collins to Agrigento | 5,804.52 mi (9,341.47 km) |
| Fort Collins to Agropoli | 5,698.62 mi (9,171.04 km) |
| Fort Collins to Ala | 5,288.78 mi (8,511.47 km) |
| Fort Collins to Alassio | 5,275.35 mi (8,489.85 km) |
| Fort Collins to Alatri | 5,570.77 mi (8,965.29 km) |
| Fort Collins to Alba | 5,237.03 mi (8,428.18 km) |
| Fort Collins to Albano Laziale | 5,546.69 mi (8,926.53 km) |
