| Round Lake Beach to Altus (Oklahoma) | 806.76 mi (1,298.35 km) |
| Round Lake Beach to Alum Rock (California) | 1,810.04 mi (2,912.97 km) |
| Round Lake Beach to Alvin (Texas) | 983.33 mi (1,582.52 km) |
| Round Lake Beach to Amarillo (Texas) | 889.61 mi (1,431.69 km) |
| Round Lake Beach to Amelia (Ohio) | 307.35 mi (494.64 km) |
| Round Lake Beach to American Canyon (California) | 1,812.25 mi (2,916.53 km) |
| Round Lake Beach to American Fork (Utah) | 1,233.15 mi (1,984.56 km) |
| Round Lake Beach to Americus (Georgia) | 742.75 mi (1,195.34 km) |
| Round Lake Beach to Ames (Iowa) | 284.58 mi (457.99 km) |
| Round Lake Beach to Amherst (Ohio) | 308.34 mi (496.23 km) |
| Round Lake Beach to Ammon (Idaho) | 1,206.14 mi (1,941.09 km) |
| Round Lake Beach to Amsterdam (New York) | 706.04 mi (1,136.26 km) |
| Round Lake Beach to Anacortes (Washington) | 1,711.59 mi (2,754.53 km) |
| Round Lake Beach to Anaheim (California) | 1,712.33 mi (2,755.72 km) |
| Round Lake Beach to Anchorage (Alaska) | 2,782.26 mi (4,477.61 km) |
