| Groningen to Bistrita | 894.55 mi (1,439.64 km) |
| Groningen to Blaj | 911.71 mi (1,467.26 km) |
| Groningen to Bocsa | 868.32 mi (1,397.43 km) |
| Groningen to Boldesti-Scaeni | 1,040.97 mi (1,675.28 km) |
| Groningen to Bolintin Vale | 1,057.16 mi (1,701.33 km) |
| Groningen to Borsa | 880.95 mi (1,417.75 km) |
| Groningen to Botosani | 957.02 mi (1,540.17 km) |
| Groningen to Brad | 872.06 mi (1,403.45 km) |
| Groningen to Bragadiru | 1,068.69 mi (1,719.90 km) |
| Groningen to Braila | 1,104.00 mi (1,776.71 km) |
| Groningen to Brasov | 997.64 mi (1,605.54 km) |
| Groningen to Breaza | 1,020.24 mi (1,641.92 km) |
| Groningen to Bucharest | 1,070.62 mi (1,723.00 km) |
| Groningen to Buftea | 1,058.65 mi (1,703.74 km) |
| Groningen to Buhusi | 996.72 mi (1,604.07 km) |
