| Chalco to Robertsville (New Jersey) | 1,141.53 mi (1,837.12 km) |
| Chalco to Robinson (Texas) | 674.61 mi (1,085.67 km) |
| Chalco to Robstown (Texas) | 929.07 mi (1,495.19 km) |
| Chalco to Rochester (Michigan) | 676.32 mi (1,088.43 km) |
| Chalco to Rochester (Minnesota) | 270.01 mi (434.53 km) |
| Chalco to Rochester (New Hampshire) | 1,290.16 mi (2,076.31 km) |
| Chalco to Rochester (New York) | 956.14 mi (1,538.75 km) |
| Chalco to Rochester Hills (Michigan) | 674.35 mi (1,085.27 km) |
| Chalco to Rock Hill (South Carolina) | 926.43 mi (1,490.95 km) |
| Chalco to Rock Island (Illinois) | 288.74 mi (464.69 km) |
| Chalco to Rock Springs (Wyoming) | 678.27 mi (1,091.57 km) |
| Chalco to Rockford (Illinois) | 372.08 mi (598.81 km) |
| Chalco to Rockledge (Florida) | 1,242.80 mi (2,000.09 km) |
| Chalco to Rocklin (California) | 1,334.71 mi (2,148.01 km) |
| Chalco to Rockport (Texas) | 910.31 mi (1,465.00 km) |
