| Didcot to Belvedere Marittimo | 1,164.89 mi (1,874.71 km) |
| Didcot to Benevento | 1,047.96 mi (1,686.52 km) |
| Didcot to Bergamo | 642.93 mi (1,034.69 km) |
| Didcot to Bernalda | 1,150.84 mi (1,852.10 km) |
| Didcot to Bertinoro | 803.76 mi (1,293.53 km) |
| Didcot to Besana in Brianza | 629.22 mi (1,012.63 km) |
| Didcot to Besozzo | 600.79 mi (966.87 km) |
| Didcot to Biancavilla | 1,242.14 mi (1,999.03 km) |
| Didcot to Biassono | 631.87 mi (1,016.89 km) |
| Didcot to Bibbiano | 720.46 mi (1,159.47 km) |
| Didcot to Bibbiena | 814.96 mi (1,311.55 km) |
| Didcot to Biella | 595.02 mi (957.59 km) |
| Didcot to Bisceglie | 1,102.55 mi (1,774.38 km) |
| Didcot to Bisignano | 1,184.27 mi (1,905.91 km) |
| Didcot to Bitetto | 1,121.83 mi (1,805.41 km) |
