| Fort Collins to Annaberg-Buchholz | 5,114.85 mi (8,231.56 km) |
| Fort Collins to Anrochte | 4,922.01 mi (7,921.22 km) |
| Fort Collins to Ansbach | 5,101.66 mi (8,210.33 km) |
| Fort Collins to Apen | 4,828.89 mi (7,771.34 km) |
| Fort Collins to Apolda | 5,047.76 mi (8,123.58 km) |
| Fort Collins to Appenweier | 5,052.67 mi (8,131.48 km) |
| Fort Collins to Arnsberg | 4,922.64 mi (7,922.23 km) |
| Fort Collins to Arnstadt | 5,038.91 mi (8,109.35 km) |
| Fort Collins to Aschaffenburg | 5,023.52 mi (8,084.58 km) |
| Fort Collins to Ascheberg | 4,889.08 mi (7,868.21 km) |
| Fort Collins to Aschersleben | 5,010.62 mi (8,063.82 km) |
| Fort Collins to Aschheim | 5,193.25 mi (8,357.73 km) |
| Fort Collins to Asperg | 5,073.79 mi (8,165.47 km) |
| Fort Collins to Asslar | 4,972.37 mi (8,002.26 km) |
| Fort Collins to Attendorn | 4,929.22 mi (7,932.81 km) |
