| Risca to Buenaventura Lakes (Florida) | 4,221.98 mi (6,794.63 km) |
| Risca to Buffalo (Minnesota) | 3,912.77 mi (6,297.00 km) |
| Risca to Buffalo (New York) | 3,440.76 mi (5,537.36 km) |
| Risca to Buffalo Grove (Illinois) | 3,830.35 mi (6,164.36 km) |
| Risca to Buford (Georgia) | 4,049.11 mi (6,516.42 km) |
| Risca to Bull Run (Virginia) | 3,566.66 mi (5,739.98 km) |
| Risca to Bullhead City (Arizona) | 5,156.22 mi (8,298.13 km) |
| Risca to Burbank (California) | 5,334.54 mi (8,585.11 km) |
| Risca to Burbank (Illinois) | 3,842.25 mi (6,183.50 km) |
| Risca to Burien (Washington) | 4,707.12 mi (7,575.37 km) |
| Risca to Burkburnett (Texas) | 4,632.23 mi (7,454.85 km) |
| Risca to Burke (Virginia) | 3,556.21 mi (5,723.17 km) |
| Risca to Burke Centre (Virginia) | 3,557.14 mi (5,724.66 km) |
| Risca to Burleson (Texas) | 4,664.28 mi (7,506.43 km) |
| Risca to Burley (Idaho) | 4,725.94 mi (7,605.67 km) |
