| Douai to Bistrita | 997.32 mi (1,605.04 km) |
| Douai to Blaj | 997.21 mi (1,604.85 km) |
| Douai to Bocsa | 926.78 mi (1,491.51 km) |
| Douai to Boldesti-Scaeni | 1,123.79 mi (1,808.56 km) |
| Douai to Bolintin Vale | 1,131.10 mi (1,820.33 km) |
| Douai to Borsa | 992.22 mi (1,596.83 km) |
| Douai to Botosani | 1,078.54 mi (1,735.74 km) |
| Douai to Brad | 949.68 mi (1,528.36 km) |
| Douai to Bragadiru | 1,143.06 mi (1,839.58 km) |
| Douai to Braila | 1,200.29 mi (1,931.68 km) |
| Douai to Brasov | 1,086.21 mi (1,748.09 km) |
| Douai to Breaza | 1,102.87 mi (1,774.89 km) |
| Douai to Bucharest | 1,146.53 mi (1,845.16 km) |
| Douai to Buftea | 1,135.29 mi (1,827.07 km) |
| Douai to Buhusi | 1,104.71 mi (1,777.86 km) |
