| River Grove to Pawtucket (Rhode Island) | 845.38 mi (1,360.51 km) |
| River Grove to Payson (Arizona) | 1,377.22 mi (2,216.42 km) |
| River Grove to Payson (Utah) | 1,249.44 mi (2,010.78 km) |
| River Grove to Peabody (Massachusetts) | 862.45 mi (1,387.99 km) |
| River Grove to Peachtree City (Georgia) | 615.73 mi (990.92 km) |
| River Grove to Peachtree Corners (Georgia) | 583.69 mi (939.36 km) |
| River Grove to Pearl (Mississippi) | 678.24 mi (1,091.52 km) |
| River Grove to Pearl City (Hawaii) | 4,239.14 mi (6,822.23 km) |
| River Grove to Pearl River (New York) | 717.61 mi (1,154.88 km) |
| River Grove to Pearland (Texas) | 950.97 mi (1,530.44 km) |
| River Grove to Pebble Creek (Florida) | 1,000.09 mi (1,609.49 km) |
| River Grove to Pecan Grove (Texas) | 957.17 mi (1,540.42 km) |
| River Grove to Pecos (Texas) | 1,130.13 mi (1,818.77 km) |
| River Grove to Peekskill (New York) | 719.45 mi (1,157.84 km) |
| River Grove to Pekin (Illinois) | 131.92 mi (212.31 km) |
