| River Forest to Petaluma (California) | 1,844.84 mi (2,968.99 km) |
| River Forest to Petersburg (Virginia) | 642.51 mi (1,034.02 km) |
| River Forest to Pflugerville (Texas) | 959.17 mi (1,543.64 km) |
| River Forest to Pharr (Texas) | 1,236.03 mi (1,989.20 km) |
| River Forest to Phelan (California) | 1,684.08 mi (2,710.26 km) |
| River Forest to Phenix City (Alabama) | 669.79 mi (1,077.92 km) |
| River Forest to Philadelphia (Pennsylvania) | 674.03 mi (1,084.75 km) |
| River Forest to Phillipsburg (New Jersey) | 660.70 mi (1,063.29 km) |
| River Forest to Phoenix (Arizona) | 1,439.04 mi (2,315.92 km) |
| River Forest to Phoenixville (Pennsylvania) | 652.02 mi (1,049.32 km) |
| River Forest to Picayune (Mississippi) | 791.80 mi (1,274.28 km) |
| River Forest to Pickerington (Ohio) | 297.97 mi (479.53 km) |
| River Forest to Pico Rivera (California) | 1,726.90 mi (2,779.18 km) |
| River Forest to Piedmont (California) | 1,834.10 mi (2,951.70 km) |
| River Forest to Pierre (South Dakota) | 652.45 mi (1,050.01 km) |
