| Round Lake Beach to Portage (Indiana) | 71.76 mi (115.48 km) |
| Round Lake Beach to Portage (Michigan) | 127.89 mi (205.82 km) |
| Round Lake Beach to Portage (Wisconsin) | 106.93 mi (172.08 km) |
| Round Lake Beach to Portales (New Mexico) | 1,001.41 mi (1,611.61 km) |
| Round Lake Beach to Porterville (California) | 1,702.93 mi (2,740.60 km) |
| Round Lake Beach to Portland (Maine) | 902.24 mi (1,452.02 km) |
| Round Lake Beach to Portland (Oregon) | 1,719.64 mi (2,767.49 km) |
| Round Lake Beach to Portland (Tennessee) | 408.35 mi (657.18 km) |
| Round Lake Beach to Portland (Texas) | 1,127.28 mi (1,814.19 km) |
| Round Lake Beach to Portsmouth (New Hampshire) | 877.81 mi (1,412.70 km) |
| Round Lake Beach to Portsmouth (Ohio) | 367.87 mi (592.03 km) |
| Round Lake Beach to Portsmouth (Virginia) | 730.93 mi (1,176.32 km) |
| Round Lake Beach to Post Falls (Idaho) | 1,446.90 mi (2,328.57 km) |
| Round Lake Beach to Potomac (Maryland) | 615.29 mi (990.21 km) |
| Round Lake Beach to Potomac Park (California) | 1,719.92 mi (2,767.95 km) |
