| Didcot to Barberino di Mugello | 780.07 mi (1,255.40 km) |
| Didcot to Barcellona-Pozzo di Gotto | 1,224.55 mi (1,970.72 km) |
| Didcot to Bareggio | 630.39 mi (1,014.51 km) |
| Didcot to Barga | 750.83 mi (1,208.35 km) |
| Didcot to Bari | 1,121.40 mi (1,804.72 km) |
| Didcot to Barletta | 1,090.93 mi (1,755.68 km) |
| Didcot to Baronissi | 1,067.87 mi (1,718.57 km) |
| Didcot to Barrafranca | 1,238.50 mi (1,993.17 km) |
| Didcot to Bassano del Grappa | 714.66 mi (1,150.13 km) |
| Didcot to Battipaglia | 1,081.89 mi (1,741.14 km) |
| Didcot to Beinasco | 608.82 mi (979.80 km) |
| Didcot to Bellinzago Novarese | 612.84 mi (986.27 km) |
| Didcot to Belluno | 717.13 mi (1,154.10 km) |
| Didcot to Belmonte Mezzagno | 1,174.70 mi (1,890.50 km) |
| Didcot to Belpasso | 1,249.53 mi (2,010.92 km) |
