| Mastic Beach to Bicaz | 4,604.12 mi (7,409.61 km) |
| Mastic Beach to Bistrita | 4,533.87 mi (7,296.56 km) |
| Mastic Beach to Blaj | 4,548.42 mi (7,319.98 km) |
| Mastic Beach to Bocsa | 4,491.36 mi (7,228.14 km) |
| Mastic Beach to Boldesti-Scaeni | 4,677.60 mi (7,527.87 km) |
| Mastic Beach to Bolintin Vale | 4,690.47 mi (7,548.58 km) |
| Mastic Beach to Borsa | 4,519.80 mi (7,273.91 km) |
| Mastic Beach to Botosani | 4,592.63 mi (7,391.13 km) |
| Mastic Beach to Brad | 4,505.68 mi (7,251.19 km) |
| Mastic Beach to Bragadiru | 4,702.26 mi (7,567.56 km) |
| Mastic Beach to Braila | 4,743.27 mi (7,633.56 km) |
| Mastic Beach to Brasov | 4,635.59 mi (7,460.26 km) |
| Mastic Beach to Breaza | 4,656.70 mi (7,494.24 km) |
| Mastic Beach to Bucharest | 4,704.88 mi (7,571.76 km) |
| Mastic Beach to Buftea | 4,693.14 mi (7,552.89 km) |
