| Risca to Ashwaubenon (Wisconsin) | 3,730.99 mi (6,004.44 km) |
| Risca to Aspen Hill (Maryland) | 3,534.75 mi (5,688.63 km) |
| Risca to Astoria (Oregon) | 4,819.92 mi (7,756.91 km) |
| Risca to Atascadero (California) | 5,337.45 mi (8,589.79 km) |
| Risca to Atascocita (Texas) | 4,710.01 mi (7,580.03 km) |
| Risca to Atchison (Kansas) | 4,226.88 mi (6,802.51 km) |
| Risca to Athens (Alabama) | 4,137.83 mi (6,659.19 km) |
| Risca to Athens (Georgia) | 4,031.63 mi (6,488.28 km) |
| Risca to Athens (Ohio) | 3,728.43 mi (6,000.33 km) |
| Risca to Athens (Tennessee) | 4,010.20 mi (6,453.79 km) |
| Risca to Athens (Texas) | 4,621.32 mi (7,437.30 km) |
| Risca to Atlanta (Georgia) | 4,084.02 mi (6,572.60 km) |
| Risca to Atlantic Beach (Florida) | 4,125.57 mi (6,639.46 km) |
| Risca to Atlantic City (New Jersey) | 3,413.64 mi (5,493.73 km) |
| Risca to Attleboro (Massachusetts) | 3,174.76 mi (5,109.28 km) |
