| River Grove to Prichard (Alabama) | 770.62 mi (1,240.19 km) |
| River Grove to Princeton (Florida) | 1,208.88 mi (1,945.50 km) |
| River Grove to Princeton (New Jersey) | 693.02 mi (1,115.30 km) |
| River Grove to Princeton (Texas) | 767.60 mi (1,235.33 km) |
| River Grove to Princeton Meadows (New Jersey) | 698.70 mi (1,124.44 km) |
| River Grove to Prineville (Oregon) | 1,662.41 mi (2,675.39 km) |
| River Grove to Prior Lake (Minnesota) | 341.60 mi (549.75 km) |
| River Grove to Progress (Pennsylvania) | 583.18 mi (938.53 km) |
| River Grove to Prospect Heights (Illinois) | 13.22 mi (21.28 km) |
| River Grove to Prosper (Texas) | 774.53 mi (1,246.48 km) |
| River Grove to Providence (Rhode Island) | 843.47 mi (1,357.44 km) |
| River Grove to Provo (Utah) | 1,241.26 mi (1,997.62 km) |
| River Grove to Prunedale (California) | 1,828.38 mi (2,942.50 km) |
| River Grove to Pueblo (Colorado) | 920.06 mi (1,480.70 km) |
| River Grove to Pueblo West (Colorado) | 923.90 mi (1,486.87 km) |
