| Potomac Park to Barberino di Mugello | 6,125.79 mi (9,858.50 km) |
| Potomac Park to Barcellona-Pozzo di Gotto | 6,572.91 mi (10,578.08 km) |
| Potomac Park to Bareggio | 5,977.31 mi (9,619.56 km) |
| Potomac Park to Barga | 6,098.25 mi (9,814.19 km) |
| Potomac Park to Bari | 6,455.95 mi (10,389.85 km) |
| Potomac Park to Barletta | 6,427.76 mi (10,344.48 km) |
| Potomac Park to Baronissi | 6,413.87 mi (10,322.13 km) |
| Potomac Park to Barrafranca | 6,583.62 mi (10,595.32 km) |
| Potomac Park to Bassano del Grappa | 6,045.22 mi (9,728.85 km) |
| Potomac Park to Battipaglia | 6,427.67 mi (10,344.33 km) |
| Potomac Park to Beinasco | 5,956.63 mi (9,586.27 km) |
| Potomac Park to Bellinzago Novarese | 5,960.22 mi (9,592.05 km) |
| Potomac Park to Belluno | 6,039.19 mi (9,719.14 km) |
| Potomac Park to Belmonte Mezzagno | 6,519.06 mi (10,491.41 km) |
| Potomac Park to Belpasso | 6,597.08 mi (10,616.97 km) |
