| River Grove to Ramsey (New Jersey) | 710.40 mi (1,143.28 km) |
| River Grove to Rancho Cordova (California) | 1,765.96 mi (2,842.04 km) |
| River Grove to Rancho Cucamonga (California) | 1,695.44 mi (2,728.55 km) |
| River Grove to Rancho Mirage (California) | 1,649.34 mi (2,654.36 km) |
| River Grove to Rancho Palos Verdes (California) | 1,747.73 mi (2,812.71 km) |
| River Grove to Rancho San Diego (California) | 1,707.99 mi (2,748.74 km) |
| River Grove to Rancho Santa Margarita (California) | 1,712.95 mi (2,756.73 km) |
| River Grove to Randallstown (Maryland) | 604.27 mi (972.49 km) |
| River Grove to Rantoul (Illinois) | 113.22 mi (182.21 km) |
| River Grove to Rapid City (South Dakota) | 790.13 mi (1,271.59 km) |
| River Grove to Ravenna (Ohio) | 345.05 mi (555.30 km) |
| River Grove to Raymondville (Texas) | 1,207.04 mi (1,942.55 km) |
| River Grove to Raymore (Missouri) | 409.68 mi (659.32 km) |
| River Grove to Raytown (Missouri) | 402.72 mi (648.11 km) |
| River Grove to Reading (Ohio) | 258.28 mi (415.65 km) |
