| Risca to Alum Rock (California) | 5,265.26 mi (8,473.61 km) |
| Risca to Alvin (Texas) | 4,744.34 mi (7,635.28 km) |
| Risca to Amarillo (Texas) | 4,698.12 mi (7,560.89 km) |
| Risca to Amelia (Ohio) | 3,827.41 mi (6,159.62 km) |
| Risca to American Canyon (California) | 5,232.18 mi (8,420.38 km) |
| Risca to American Fork (Utah) | 4,777.29 mi (7,688.31 km) |
| Risca to Americus (Georgia) | 4,157.92 mi (6,691.52 km) |
| Risca to Ames (Iowa) | 4,051.52 mi (6,520.29 km) |
| Risca to Amherst (Ohio) | 3,640.57 mi (5,858.93 km) |
| Risca to Ammon (Idaho) | 4,617.17 mi (7,430.62 km) |
| Risca to Amsterdam (New York) | 3,251.59 mi (5,232.93 km) |
| Risca to Anacortes (Washington) | 4,658.24 mi (7,496.71 km) |
| Risca to Anaheim (California) | 5,338.82 mi (8,592.00 km) |
| Risca to Anchorage (Alaska) | 4,423.48 mi (7,118.90 km) |
| Risca to Anderson (California) | 5,103.53 mi (8,213.34 km) |
