| Fort Collins to Blumberg | 5,104.44 mi (8,214.80 km) |
| Fort Collins to Bobenheim-Roxheim | 5,016.02 mi (8,072.50 km) |
| Fort Collins to Bobingen | 5,159.42 mi (8,303.29 km) |
| Fort Collins to Boblingen | 5,080.13 mi (8,175.68 km) |
| Fort Collins to Bocholt | 4,855.05 mi (7,813.45 km) |
| Fort Collins to Bochum | 4,890.37 mi (7,870.29 km) |
| Fort Collins to Bockenem | 4,957.15 mi (7,977.76 km) |
| Fort Collins to Bockhorn | 4,827.02 mi (7,768.34 km) |
| Fort Collins to Bogen | 5,187.38 mi (8,348.28 km) |
| Fort Collins to Bohl-Iggelheim | 5,024.32 mi (8,085.86 km) |
| Fort Collins to Bohmte | 4,884.18 mi (7,860.33 km) |
| Fort Collins to Boizenburg | 4,910.26 mi (7,902.30 km) |
| Fort Collins to Bonen | 4,902.32 mi (7,889.52 km) |
| Fort Collins to Bonn | 4,921.20 mi (7,919.90 km) |
| Fort Collins to Bopfingen | 5,115.65 mi (8,232.84 km) |
