| Didcot to Benisa | 892.91 mi (1,436.99 km) |
| Didcot to Berga | 672.64 mi (1,082.50 km) |
| Didcot to Berja | 1,023.28 mi (1,646.81 km) |
| Didcot to Bermeo | 569.80 mi (917.00 km) |
| Didcot to Berriozar | 606.27 mi (975.71 km) |
| Didcot to Betanzos | 660.42 mi (1,062.84 km) |
| Didcot to Betera | 830.91 mi (1,337.23 km) |
| Didcot to Bilbao | 582.16 mi (936.90 km) |
| Didcot to Binefar | 677.97 mi (1,091.09 km) |
| Didcot to Binisalem | 846.63 mi (1,362.51 km) |
| Didcot to Blanes | 712.12 mi (1,146.04 km) |
| Didcot to Boadilla del Monte | 783.90 mi (1,261.57 km) |
| Didcot to Boiro | 715.02 mi (1,150.71 km) |
| Didcot to Bolanos de Calatrava | 887.14 mi (1,427.72 km) |
| Didcot to Bollullos de la Mitacion | 1,014.63 mi (1,632.90 km) |
