| Round Lake Beach to Pelham (Alabama) | 630.64 mi (1,014.92 km) |
| Round Lake Beach to Pell City (Alabama) | 617.19 mi (993.27 km) |
| Round Lake Beach to Pella (Iowa) | 257.72 mi (414.76 km) |
| Round Lake Beach to Pembroke Pines (Florida) | 1,212.94 mi (1,952.04 km) |
| Round Lake Beach to Pendleton (Oregon) | 1,534.30 mi (2,469.22 km) |
| Round Lake Beach to Pensacola (Florida) | 826.29 mi (1,329.79 km) |
| Round Lake Beach to Peoria (Arizona) | 1,438.13 mi (2,314.45 km) |
| Round Lake Beach to Peoria (Illinois) | 137.58 mi (221.41 km) |
| Round Lake Beach to Perris (California) | 1,682.17 mi (2,707.19 km) |
| Round Lake Beach to Perry (Georgia) | 724.71 mi (1,166.30 km) |
| Round Lake Beach to Perry Hall (Maryland) | 639.25 mi (1,028.77 km) |
| Round Lake Beach to Perrysburg (Ohio) | 235.38 mi (378.80 km) |
| Round Lake Beach to Perth Amboy (New Jersey) | 725.72 mi (1,167.93 km) |
| Round Lake Beach to Peru (Indiana) | 152.54 mi (245.50 km) |
| Round Lake Beach to Petal (Mississippi) | 764.84 mi (1,230.89 km) |
