| Fort Collins to Ayamonte | 4,961.03 mi (7,984.01 km) |
| Fort Collins to Azcoitia | 4,918.46 mi (7,915.49 km) |
| Fort Collins to Azpeitia | 4,920.13 mi (7,918.18 km) |
| Fort Collins to Azuqueca de Henares | 4,992.54 mi (8,034.72 km) |
| Fort Collins to Badajoz | 4,908.82 mi (7,899.98 km) |
| Fort Collins to Badalona | 5,173.93 mi (8,326.63 km) |
| Fort Collins to Baena | 5,076.20 mi (8,169.36 km) |
| Fort Collins to Baeza | 5,096.32 mi (8,201.73 km) |
| Fort Collins to Bailen | 5,079.29 mi (8,174.33 km) |
| Fort Collins to Balaguer | 5,102.01 mi (8,210.89 km) |
| Fort Collins to Banolas | 5,163.23 mi (8,309.41 km) |
| Fort Collins to Baranain | 4,960.23 mi (7,982.73 km) |
| Fort Collins to Barbadanes | 4,728.76 mi (7,610.20 km) |
| Fort Collins to Barbastro | 5,064.38 mi (8,150.34 km) |
| Fort Collins to Barcelona | 5,174.04 mi (8,326.82 km) |
