| Fort Collins to Bicaz | 5,689.82 mi (9,156.89 km) |
| Fort Collins to Bistrita | 5,633.53 mi (9,066.29 km) |
| Fort Collins to Blaj | 5,670.26 mi (9,125.40 km) |
| Fort Collins to Bocsa | 5,649.93 mi (9,092.69 km) |
| Fort Collins to Boldesti-Scaeni | 5,794.31 mi (9,325.04 km) |
| Fort Collins to Bolintin Vale | 5,819.47 mi (9,365.54 km) |
| Fort Collins to Borsa | 5,608.97 mi (9,026.77 km) |
| Fort Collins to Botosani | 5,658.04 mi (9,105.73 km) |
| Fort Collins to Brad | 5,640.42 mi (9,077.39 km) |
| Fort Collins to Bragadiru | 5,829.99 mi (9,382.46 km) |
| Fort Collins to Braila | 5,833.96 mi (9,388.85 km) |
| Fort Collins to Brasov | 5,746.81 mi (9,248.60 km) |
| Fort Collins to Breaza | 5,775.08 mi (9,294.10 km) |
| Fort Collins to Bucharest | 5,830.16 mi (9,382.74 km) |
| Fort Collins to Buftea | 5,818.03 mi (9,363.21 km) |
