| Greenbelt to Barberino di Mugello | 4,346.64 mi (6,995.23 km) |
| Greenbelt to Barcellona-Pozzo di Gotto | 4,733.94 mi (7,618.54 km) |
| Greenbelt to Bareggio | 4,201.14 mi (6,761.09 km) |
| Greenbelt to Barga | 4,311.27 mi (6,938.32 km) |
| Greenbelt to Bari | 4,694.43 mi (7,554.95 km) |
| Greenbelt to Barletta | 4,661.80 mi (7,502.44 km) |
| Greenbelt to Baronissi | 4,616.58 mi (7,429.67 km) |
| Greenbelt to Barrafranca | 4,717.27 mi (7,591.71 km) |
| Greenbelt to Bassano del Grappa | 4,308.74 mi (6,934.24 km) |
| Greenbelt to Battipaglia | 4,630.79 mi (7,452.54 km) |
| Greenbelt to Beinasco | 4,154.70 mi (6,686.34 km) |
| Greenbelt to Bellinzago Novarese | 4,182.39 mi (6,730.91 km) |
| Greenbelt to Belluno | 4,316.64 mi (6,946.96 km) |
| Greenbelt to Belmonte Mezzagno | 4,654.13 mi (7,490.10 km) |
| Greenbelt to Belpasso | 4,744.91 mi (7,636.19 km) |
