| Risca to Black Forest (Colorado) | 4,601.99 mi (7,406.19 km) |
| Risca to Blackfoot (Idaho) | 4,644.55 mi (7,474.68 km) |
| Risca to Blackhawk (California) | 5,242.28 mi (8,436.63 km) |
| Risca to Blacksburg (Virginia) | 3,756.36 mi (6,045.28 km) |
| Risca to Blackwells Mills (New Jersey) | 3,372.06 mi (5,426.80 km) |
| Risca to Blaine (Minnesota) | 3,889.39 mi (6,259.37 km) |
| Risca to Bloomingdale (Florida) | 4,283.09 mi (6,892.96 km) |
| Risca to Bloomingdale (Illinois) | 3,845.23 mi (6,188.30 km) |
| Risca to Bloomington (California) | 5,311.22 mi (8,547.58 km) |
| Risca to Bloomington (Illinois) | 3,947.38 mi (6,352.69 km) |
| Risca to Bloomington (Indiana) | 3,912.76 mi (6,296.98 km) |
| Risca to Bloomington (Minnesota) | 3,908.92 mi (6,290.79 km) |
| Risca to Bloomsburg (Pennsylvania) | 3,425.54 mi (5,512.88 km) |
| Risca to Blue Ash (Ohio) | 3,823.66 mi (6,153.59 km) |
| Risca to Blue Island (Illinois) | 3,842.83 mi (6,184.43 km) |
