| Pen-y-Bont ar Ogwr to Barberino di Mugello | 859.14 mi (1,382.66 km) |
| Pen-y-Bont ar Ogwr to Barcellona-Pozzo di Gotto | 1,296.50 mi (2,086.52 km) |
| Pen-y-Bont ar Ogwr to Bareggio | 709.14 mi (1,141.25 km) |
| Pen-y-Bont ar Ogwr to Barga | 828.08 mi (1,332.66 km) |
| Pen-y-Bont ar Ogwr to Bari | 1,204.15 mi (1,937.90 km) |
| Pen-y-Bont ar Ogwr to Barletta | 1,173.06 mi (1,887.86 km) |
| Pen-y-Bont ar Ogwr to Baronissi | 1,145.32 mi (1,843.22 km) |
| Pen-y-Bont ar Ogwr to Barrafranca | 1,305.98 mi (2,101.77 km) |
| Pen-y-Bont ar Ogwr to Bassano del Grappa | 801.56 mi (1,289.99 km) |
| Pen-y-Bont ar Ogwr to Battipaglia | 1,159.48 mi (1,866.01 km) |
| Pen-y-Bont ar Ogwr to Beinasco | 680.36 mi (1,094.93 km) |
| Pen-y-Bont ar Ogwr to Bellinzago Novarese | 691.04 mi (1,112.12 km) |
| Pen-y-Bont ar Ogwr to Belluno | 806.26 mi (1,297.55 km) |
| Pen-y-Bont ar Ogwr to Belmonte Mezzagno | 1,241.54 mi (1,998.07 km) |
| Pen-y-Bont ar Ogwr to Belpasso | 1,319.57 mi (2,123.64 km) |
