| Parker to Robertsville (New Jersey) | 1,608.15 mi (2,588.06 km) |
| Parker to Robinson (Texas) | 703.31 mi (1,131.87 km) |
| Parker to Robstown (Texas) | 905.94 mi (1,457.97 km) |
| Parker to Rochester (Michigan) | 1,145.41 mi (1,843.36 km) |
| Parker to Rochester (Minnesota) | 705.17 mi (1,134.86 km) |
| Parker to Rochester (New Hampshire) | 1,758.73 mi (2,830.41 km) |
| Parker to Rochester (New York) | 1,424.92 mi (2,293.19 km) |
| Parker to Rochester Hills (Michigan) | 1,143.46 mi (1,840.23 km) |
| Parker to Rock Hill (South Carolina) | 1,339.99 mi (2,156.50 km) |
| Parker to Rock Island (Illinois) | 757.09 mi (1,218.42 km) |
| Parker to Rock Springs (Wyoming) | 274.26 mi (441.38 km) |
| Parker to Rockford (Illinois) | 841.11 mi (1,353.64 km) |
| Parker to Rockledge (Florida) | 1,573.04 mi (2,531.56 km) |
| Parker to Rocklin (California) | 882.68 mi (1,420.53 km) |
| Parker to Rockport (Texas) | 907.31 mi (1,460.17 km) |
