| Roura to Black Forest (Colorado) | 4,031.73 mi (6,488.45 km) |
| Roura to Blackfoot (Idaho) | 4,504.45 mi (7,249.21 km) |
| Roura to Blackhawk (California) | 4,906.82 mi (7,896.77 km) |
| Roura to Blacksburg (Virginia) | 2,861.89 mi (4,605.77 km) |
| Roura to Blackwells Mills (New Jersey) | 2,830.66 mi (4,555.51 km) |
| Roura to Blaine (Minnesota) | 3,721.52 mi (5,989.20 km) |
| Roura to Bloomingdale (Florida) | 2,534.33 mi (4,078.61 km) |
| Roura to Bloomingdale (Illinois) | 3,382.79 mi (5,444.08 km) |
| Roura to Bloomington (California) | 4,614.42 mi (7,426.19 km) |
| Roura to Bloomington (Illinois) | 3,355.27 mi (5,399.78 km) |
| Roura to Bloomington (Indiana) | 3,197.29 mi (5,145.54 km) |
| Roura to Bloomington (Minnesota) | 3,712.00 mi (5,973.89 km) |
| Roura to Bloomsburg (Pennsylvania) | 2,917.46 mi (4,695.20 km) |
| Roura to Blue Ash (Ohio) | 3,113.72 mi (5,011.05 km) |
| Roura to Blue Island (Illinois) | 3,353.73 mi (5,397.31 km) |
