| Risca to Bailey's Crossroads (Virginia) | 3,547.61 mi (5,709.33 km) |
| Risca to Bainbridge (Georgia) | 4,229.70 mi (6,807.04 km) |
| Risca to Bainbridge Island (Washington) | 4,703.26 mi (7,569.16 km) |
| Risca to Baker (Louisiana) | 4,516.39 mi (7,268.43 km) |
| Risca to Bakersfield (California) | 5,291.94 mi (8,516.55 km) |
| Risca to Balch Springs (Texas) | 4,625.79 mi (7,444.49 km) |
| Risca to Baldwin (New York) | 3,323.84 mi (5,349.20 km) |
| Risca to Baldwin (Pennsylvania) | 3,595.69 mi (5,786.70 km) |
| Risca to Baldwin Park (California) | 5,328.87 mi (8,575.99 km) |
| Risca to Ballenger Creek (Maryland) | 3,535.86 mi (5,690.41 km) |
| Risca to Ballwin (Missouri) | 4,097.66 mi (6,594.55 km) |
| Risca to Baltimore (Maryland) | 3,506.10 mi (5,642.52 km) |
| Risca to Bangor (Maine) | 2,956.58 mi (4,758.15 km) |
| Risca to Banning (California) | 5,300.87 mi (8,530.93 km) |
| Risca to Baraboo (Wisconsin) | 3,838.65 mi (6,177.70 km) |
