| Parker to Rancho Cordova (California) | 885.36 mi (1,424.86 km) |
| Parker to Rancho Cucamonga (California) | 798.27 mi (1,284.69 km) |
| Parker to Rancho Mirage (California) | 757.26 mi (1,218.70 km) |
| Parker to Rancho Palos Verdes (California) | 850.54 mi (1,368.80 km) |
| Parker to Rancho San Diego (California) | 821.29 mi (1,321.74 km) |
| Parker to Rancho Santa Margarita (California) | 818.10 mi (1,316.61 km) |
| Parker to Randallstown (Maryland) | 1,486.60 mi (2,392.45 km) |
| Parker to Rantoul (Illinois) | 881.32 mi (1,418.35 km) |
| Parker to Rapid City (South Dakota) | 325.28 mi (523.50 km) |
| Parker to Ravenna (Ohio) | 1,240.89 mi (1,997.02 km) |
| Parker to Raymondville (Texas) | 986.73 mi (1,587.99 km) |
| Parker to Raymore (Missouri) | 554.59 mi (892.53 km) |
| Parker to Raytown (Missouri) | 552.53 mi (889.21 km) |
| Parker to Reading (Ohio) | 1,084.46 mi (1,745.27 km) |
| Parker to Reading (Pennsylvania) | 1,522.91 mi (2,450.88 km) |
