| Derry to Bicaz | 1,540.65 mi (2,479.44 km) |
| Derry to Bistrita | 1,469.68 mi (2,365.23 km) |
| Derry to Blaj | 1,484.34 mi (2,388.82 km) |
| Derry to Bocsa | 1,432.52 mi (2,305.42 km) |
| Derry to Boldesti-Scaeni | 1,613.61 mi (2,596.85 km) |
| Derry to Bolintin Vale | 1,627.72 mi (2,619.57 km) |
| Derry to Borsa | 1,456.51 mi (2,344.03 km) |
| Derry to Botosani | 1,532.19 mi (2,465.83 km) |
| Derry to Brad | 1,442.58 mi (2,321.61 km) |
| Derry to Bragadiru | 1,639.43 mi (2,638.40 km) |
| Derry to Braila | 1,678.95 mi (2,702.00 km) |
| Derry to Brasov | 1,571.23 mi (2,528.65 km) |
| Derry to Breaza | 1,592.76 mi (2,563.29 km) |
| Derry to Bucharest | 1,641.77 mi (2,642.17 km) |
| Derry to Buftea | 1,629.93 mi (2,623.12 km) |
