| Round Lake Beach to Prichard (Alabama) | 801.87 mi (1,290.49 km) |
| Round Lake Beach to Princeton (Florida) | 1,242.67 mi (1,999.89 km) |
| Round Lake Beach to Princeton (New Jersey) | 708.55 mi (1,140.31 km) |
| Round Lake Beach to Princeton (Texas) | 783.81 mi (1,261.42 km) |
| Round Lake Beach to Princeton Meadows (New Jersey) | 714.24 mi (1,149.46 km) |
| Round Lake Beach to Prineville (Oregon) | 1,641.58 mi (2,641.87 km) |
| Round Lake Beach to Prior Lake (Minnesota) | 313.47 mi (504.48 km) |
| Round Lake Beach to Progress (Pennsylvania) | 600.31 mi (966.11 km) |
| Round Lake Beach to Prospect Heights (Illinois) | 20.59 mi (33.14 km) |
| Round Lake Beach to Prosper (Texas) | 790.09 mi (1,271.52 km) |
| Round Lake Beach to Providence (Rhode Island) | 853.69 mi (1,373.88 km) |
| Round Lake Beach to Provo (Utah) | 1,227.80 mi (1,975.95 km) |
| Round Lake Beach to Prunedale (California) | 1,816.13 mi (2,922.78 km) |
| Round Lake Beach to Pueblo (Colorado) | 914.10 mi (1,471.10 km) |
| Round Lake Beach to Pueblo West (Colorado) | 917.67 mi (1,476.84 km) |
