| River Grove to Platteville (Wisconsin) | 145.37 mi (233.95 km) |
| River Grove to Plattsburgh (New York) | 746.85 mi (1,201.94 km) |
| River Grove to Pleasant Grove (Utah) | 1,244.21 mi (2,002.37 km) |
| River Grove to Pleasant Hill (California) | 1,822.08 mi (2,932.35 km) |
| River Grove to Pleasant Hill (Iowa) | 292.48 mi (470.70 km) |
| River Grove to Pleasant Prairie (Wisconsin) | 41.70 mi (67.11 km) |
| River Grove to Pleasant View (Utah) | 1,244.54 mi (2,002.89 km) |
| River Grove to Pleasanton (California) | 1,818.78 mi (2,927.04 km) |
| River Grove to Pleasanton (Texas) | 1,075.88 mi (1,731.46 km) |
| River Grove to Pleasantville (New Jersey) | 719.02 mi (1,157.16 km) |
| River Grove to Plover (Wisconsin) | 195.10 mi (313.98 km) |
| River Grove to Plum (Pennsylvania) | 431.55 mi (694.51 km) |
| River Grove to Plymouth (Indiana) | 87.97 mi (141.57 km) |
| River Grove to Plymouth (Minnesota) | 353.89 mi (569.52 km) |
| River Grove to Pocatello (Idaho) | 1,253.77 mi (2,017.75 km) |
