| Round Lake Beach to Dover (New Hampshire) | 872.28 mi (1,403.79 km) |
| Round Lake Beach to Dover (New Jersey) | 705.07 mi (1,134.71 km) |
| Round Lake Beach to Dover (Ohio) | 364.76 mi (587.03 km) |
| Round Lake Beach to Downers Grove (Illinois) | 40.50 mi (65.17 km) |
| Round Lake Beach to Downey (California) | 1,722.79 mi (2,772.57 km) |
| Round Lake Beach to Dranesville (Virginia) | 607.40 mi (977.51 km) |
| Round Lake Beach to Draper (Utah) | 1,234.51 mi (1,986.75 km) |
| Round Lake Beach to Drexel Heights (Arizona) | 1,440.64 mi (2,318.49 km) |
| Round Lake Beach to Drexel Hill (Pennsylvania) | 684.75 mi (1,101.99 km) |
| Round Lake Beach to Duarte (California) | 1,706.35 mi (2,746.10 km) |
| Round Lake Beach to Dublin (California) | 1,805.03 mi (2,904.91 km) |
| Round Lake Beach to Dublin (Georgia) | 736.10 mi (1,184.64 km) |
| Round Lake Beach to Dublin (Ohio) | 300.43 mi (483.49 km) |
| Round Lake Beach to Dubuque (Iowa) | 134.15 mi (215.89 km) |
| Round Lake Beach to Duluth (Georgia) | 616.52 mi (992.19 km) |
