| Nantes to Bistrita | 1,217.90 mi (1,960.02 km) |
| Nantes to Blaj | 1,203.63 mi (1,937.06 km) |
| Nantes to Bocsa | 1,113.65 mi (1,792.24 km) |
| Nantes to Boldesti-Scaeni | 1,322.54 mi (2,128.42 km) |
| Nantes to Bolintin Vale | 1,321.67 mi (2,127.03 km) |
| Nantes to Borsa | 1,219.72 mi (1,962.94 km) |
| Nantes to Botosani | 1,310.98 mi (2,109.82 km) |
| Nantes to Brad | 1,151.81 mi (1,853.66 km) |
| Nantes to Bragadiru | 1,333.53 mi (2,146.11 km) |
| Nantes to Braila | 1,408.07 mi (2,266.08 km) |
| Nantes to Brasov | 1,291.43 mi (2,078.36 km) |
| Nantes to Breaza | 1,302.28 mi (2,095.82 km) |
| Nantes to Bucharest | 1,338.25 mi (2,153.71 km) |
| Nantes to Buftea | 1,328.11 mi (2,137.39 km) |
| Nantes to Buhusi | 1,325.50 mi (2,133.18 km) |
