| Fort Collins to Barberino di Mugello | 5,383.35 mi (8,663.66 km) |
| Fort Collins to Barcellona-Pozzo di Gotto | 5,820.88 mi (9,367.80 km) |
| Fort Collins to Bareggio | 5,233.48 mi (8,422.47 km) |
| Fort Collins to Barga | 5,353.40 mi (8,615.46 km) |
| Fort Collins to Bari | 5,722.98 mi (9,210.24 km) |
| Fort Collins to Barletta | 5,693.18 mi (9,162.28 km) |
| Fort Collins to Baronissi | 5,670.73 mi (9,126.17 km) |
| Fort Collins to Barrafranca | 5,824.59 mi (9,373.77 km) |
| Fort Collins to Bassano del Grappa | 5,312.70 mi (8,549.97 km) |
| Fort Collins to Battipaglia | 5,684.83 mi (9,148.85 km) |
| Fort Collins to Beinasco | 5,205.98 mi (8,378.21 km) |
| Fort Collins to Bellinzago Novarese | 5,215.72 mi (8,393.88 km) |
| Fort Collins to Belluno | 5,310.25 mi (8,546.02 km) |
| Fort Collins to Belmonte Mezzagno | 5,759.63 mi (9,269.23 km) |
| Fort Collins to Belpasso | 5,841.89 mi (9,401.61 km) |
