| Round Lake Beach to Pottstown (Pennsylvania) | 661.28 mi (1,064.23 km) |
| Round Lake Beach to Pottsville (Pennsylvania) | 624.64 mi (1,005.27 km) |
| Round Lake Beach to Poughkeepsie (New York) | 727.33 mi (1,170.53 km) |
| Round Lake Beach to Poulsbo (Washington) | 1,711.76 mi (2,754.80 km) |
| Round Lake Beach to Poway (California) | 1,699.79 mi (2,735.54 km) |
| Round Lake Beach to Powder Springs (Georgia) | 616.36 mi (991.93 km) |
| Round Lake Beach to Powell (Ohio) | 301.06 mi (484.51 km) |
| Round Lake Beach to Powell (Tennessee) | 488.86 mi (786.75 km) |
| Round Lake Beach to Prairie Ridge (Washington) | 1,689.04 mi (2,718.24 km) |
| Round Lake Beach to Prairie Village (Kansas) | 415.59 mi (668.82 km) |
| Round Lake Beach to Prairieville (Louisiana) | 848.62 mi (1,365.72 km) |
| Round Lake Beach to Prattville (Alabama) | 691.09 mi (1,112.21 km) |
| Round Lake Beach to Preakness (New Jersey) | 721.37 mi (1,160.94 km) |
| Round Lake Beach to Prescott (Arizona) | 1,417.33 mi (2,280.98 km) |
| Round Lake Beach to Prescott Valley (Arizona) | 1,410.51 mi (2,270.00 km) |
