| Rockville Centre to Bicaz | 4,639.68 mi (7,466.84 km) |
| Rockville Centre to Bistrita | 4,569.63 mi (7,354.10 km) |
| Rockville Centre to Blaj | 4,584.62 mi (7,378.23 km) |
| Rockville Centre to Bocsa | 4,528.19 mi (7,287.42 km) |
| Rockville Centre to Boldesti-Scaeni | 4,713.83 mi (7,586.17 km) |
| Rockville Centre to Bolintin Vale | 4,726.94 mi (7,607.27 km) |
| Rockville Centre to Borsa | 4,555.33 mi (7,331.10 km) |
| Rockville Centre to Botosani | 4,627.78 mi (7,447.70 km) |
| Rockville Centre to Brad | 4,542.08 mi (7,309.76 km) |
| Rockville Centre to Bragadiru | 4,738.72 mi (7,626.23 km) |
| Rockville Centre to Braila | 4,779.07 mi (7,691.17 km) |
| Rockville Centre to Brasov | 4,671.67 mi (7,518.33 km) |
| Rockville Centre to Breaza | 4,692.94 mi (7,552.56 km) |
| Rockville Centre to Bucharest | 4,741.29 mi (7,630.37 km) |
| Rockville Centre to Buftea | 4,729.54 mi (7,611.46 km) |