| Hillsborough to Bicaz | 4,685.86 mi (7,541.16 km) |
| Hillsborough to Bistrita | 4,616.05 mi (7,428.81 km) |
| Hillsborough to Blaj | 4,631.57 mi (7,453.80 km) |
| Hillsborough to Bocsa | 4,575.92 mi (7,364.24 km) |
| Hillsborough to Boldesti-Scaeni | 4,760.82 mi (7,661.79 km) |
| Hillsborough to Bolintin Vale | 4,774.22 mi (7,683.37 km) |
| Hillsborough to Borsa | 4,601.49 mi (7,405.38 km) |
| Hillsborough to Botosani | 4,673.46 mi (7,521.21 km) |
| Hillsborough to Brad | 4,589.28 mi (7,385.73 km) |
| Hillsborough to Bragadiru | 4,785.99 mi (7,702.30 km) |
| Hillsborough to Braila | 4,825.54 mi (7,765.95 km) |
| Hillsborough to Brasov | 4,718.48 mi (7,593.67 km) |
| Hillsborough to Breaza | 4,739.94 mi (7,628.20 km) |
| Hillsborough to Bucharest | 4,788.50 mi (7,706.35 km) |
| Hillsborough to Buftea | 4,776.73 mi (7,687.41 km) |
