| Fort Collins to Ames | 4,674.59 mi (7,523.02 km) |
| Fort Collins to Amorebieta | 4,900.01 mi (7,885.80 km) |
| Fort Collins to Amposta | 5,141.59 mi (8,274.59 km) |
| Fort Collins to Amurrio | 4,896.53 mi (7,880.20 km) |
| Fort Collins to Andoain | 4,928.42 mi (7,931.52 km) |
| Fort Collins to Andraitx | 5,266.41 mi (8,475.46 km) |
| Fort Collins to Andujar | 5,069.19 mi (8,158.08 km) |
| Fort Collins to Antequera | 5,091.76 mi (8,194.39 km) |
| Fort Collins to Antigua | 5,024.38 mi (8,085.95 km) |
| Fort Collins to Aranda de Duero | 4,927.60 mi (7,930.20 km) |
| Fort Collins to Aranjuez | 5,001.69 mi (8,049.44 km) |
| Fort Collins to Archena | 5,181.29 mi (8,338.48 km) |
| Fort Collins to Arcos de la Frontera | 5,049.78 mi (8,126.84 km) |
| Fort Collins to Arenys de Mar | 5,179.46 mi (8,335.53 km) |
| Fort Collins to Arenys de Munt | 5,177.66 mi (8,332.63 km) |
