| Round Lake Beach to Dallas (Oregon) | 1,756.17 mi (2,826.29 km) |
| Round Lake Beach to Dallas (Texas) | 814.35 mi (1,310.57 km) |
| Round Lake Beach to Dalton (Georgia) | 551.87 mi (888.14 km) |
| Round Lake Beach to Daly City (California) | 1,834.97 mi (2,953.09 km) |
| Round Lake Beach to Damascus (Maryland) | 607.77 mi (978.10 km) |
| Round Lake Beach to Damascus (Oregon) | 1,710.40 mi (2,752.62 km) |
| Round Lake Beach to Dana Point (California) | 1,716.64 mi (2,762.66 km) |
| Round Lake Beach to Danbury (Connecticut) | 753.56 mi (1,212.74 km) |
| Round Lake Beach to Dania Beach (Florida) | 1,213.53 mi (1,952.98 km) |
| Round Lake Beach to Danville (California) | 1,806.41 mi (2,907.14 km) |
| Round Lake Beach to Danville (Illinois) | 156.44 mi (251.77 km) |
| Round Lake Beach to Danville (Indiana) | 198.87 mi (320.05 km) |
| Round Lake Beach to Danville (Kentucky) | 371.00 mi (597.06 km) |
| Round Lake Beach to Danville (Virginia) | 611.18 mi (983.60 km) |
| Round Lake Beach to Daphne (Alabama) | 812.11 mi (1,306.97 km) |
