| Fort Collins to Benisa | 5,210.12 mi (8,384.88 km) |
| Fort Collins to Berga | 5,128.58 mi (8,253.66 km) |
| Fort Collins to Berja | 5,168.28 mi (8,317.54 km) |
| Fort Collins to Bermeo | 4,891.74 mi (7,872.49 km) |
| Fort Collins to Berriozar | 4,958.48 mi (7,979.91 km) |
| Fort Collins to Betanzos | 4,676.84 mi (7,526.65 km) |
| Fort Collins to Betera | 5,149.75 mi (8,287.72 km) |
| Fort Collins to Bilbao | 4,890.90 mi (7,871.15 km) |
| Fort Collins to Binefar | 5,079.49 mi (8,174.65 km) |
| Fort Collins to Binisalem | 5,277.77 mi (8,493.75 km) |
| Fort Collins to Blanes | 5,184.60 mi (8,343.80 km) |
| Fort Collins to Boadilla del Monte | 4,974.38 mi (8,005.49 km) |
| Fort Collins to Boiro | 4,673.51 mi (7,521.29 km) |
| Fort Collins to Bolanos de Calatrava | 5,046.67 mi (8,121.84 km) |
| Fort Collins to Bollullos de la Mitacion | 5,010.40 mi (8,063.46 km) |
