| Didcot to Bicaz | 1,266.26 mi (2,037.85 km) |
| Didcot to Bistrita | 1,191.76 mi (1,917.95 km) |
| Didcot to Blaj | 1,195.81 mi (1,924.47 km) |
| Didcot to Bocsa | 1,129.76 mi (1,818.18 km) |
| Didcot to Boldesti-Scaeni | 1,323.49 mi (2,129.96 km) |
| Didcot to Bolintin Vale | 1,332.48 mi (2,144.43 km) |
| Didcot to Borsa | 1,184.21 mi (1,905.80 km) |
| Didcot to Botosani | 1,267.75 mi (2,040.24 km) |
| Didcot to Brad | 1,149.63 mi (1,850.15 km) |
| Didcot to Bragadiru | 1,344.41 mi (2,163.62 km) |
| Didcot to Braila | 1,397.31 mi (2,248.75 km) |
| Didcot to Brasov | 1,284.56 mi (2,067.30 km) |
| Didcot to Breaza | 1,302.53 mi (2,096.22 km) |
| Didcot to Bucharest | 1,347.62 mi (2,168.79 km) |
| Didcot to Buftea | 1,336.21 mi (2,150.43 km) |
