| Risca to Brownsburg (Indiana) | 3,876.04 mi (6,237.88 km) |
| Risca to Brownsville (Florida) | 4,300.62 mi (6,921.18 km) |
| Risca to Brownsville (Texas) | 5,007.83 mi (8,059.32 km) |
| Risca to Brownwood (Texas) | 4,769.73 mi (7,676.14 km) |
| Risca to Brunswick (Georgia) | 4,088.67 mi (6,580.08 km) |
| Risca to Brunswick (Ohio) | 3,631.13 mi (5,843.75 km) |
| Risca to Brushy Creek (Texas) | 4,783.42 mi (7,698.16 km) |
| Risca to Bryan (Texas) | 4,721.88 mi (7,599.14 km) |
| Risca to Bryant (Arkansas) | 4,368.00 mi (7,029.61 km) |
| Risca to Bryn Mawr-Skyway (Washington) | 4,703.38 mi (7,569.36 km) |
| Risca to Buckeye (Arizona) | 5,183.86 mi (8,342.62 km) |
| Risca to Buckhall (Virginia) | 3,566.18 mi (5,739.21 km) |
| Risca to Bucyrus (Ohio) | 3,696.68 mi (5,949.22 km) |
| Risca to Buda (Texas) | 4,810.41 mi (7,741.61 km) |
| Risca to Buena Park (California) | 5,342.67 mi (8,598.20 km) |
