| Fort Collins to Bougival | 4,837.63 mi (7,785.41 km) |
| Fort Collins to Bouguenais | 4,774.41 mi (7,683.66 km) |
| Fort Collins to Boulogne-Billancourt | 4,842.50 mi (7,793.25 km) |
| Fort Collins to Boulogne-sur-Mer | 4,738.50 mi (7,625.88 km) |
| Fort Collins to Bourg-de-Peage | 5,114.24 mi (8,230.57 km) |
| Fort Collins to Bourg-en-Bresse | 5,066.66 mi (8,154.01 km) |
| Fort Collins to Bourg-la-Reine | 4,847.55 mi (7,801.37 km) |
| Fort Collins to Bourg-les-Valence | 5,112.80 mi (8,228.26 km) |
| Fort Collins to Bourges | 4,925.44 mi (7,926.73 km) |
| Fort Collins to Bourgoin-Jallieu | 5,096.91 mi (8,202.68 km) |
| Fort Collins to Bressuire | 4,830.80 mi (7,774.41 km) |
| Fort Collins to Brest | 4,617.57 mi (7,431.27 km) |
| Fort Collins to Bretigny-sur-Orge | 4,854.63 mi (7,812.77 km) |
| Fort Collins to Breuillet | 4,851.89 mi (7,808.35 km) |
| Fort Collins to Briancon | 5,177.95 mi (8,333.10 km) |
