| Callaway to Rockville (Maryland) | 780.56 mi (1,256.19 km) |
| Callaway to Rockville Centre (New York) | 987.98 mi (1,590.00 km) |
| Callaway to Rockwall (Texas) | 668.64 mi (1,076.08 km) |
| Callaway to Rocky Mount (North Carolina) | 602.96 mi (970.37 km) |
| Callaway to Rocky Point (New York) | 1,027.59 mi (1,653.75 km) |
| Callaway to Rocky River (Ohio) | 810.01 mi (1,303.58 km) |
| Callaway to Roessleville (New York) | 1,084.37 mi (1,745.13 km) |
| Callaway to Rogers (Arkansas) | 654.69 mi (1,053.62 km) |
| Callaway to Rogers (Minnesota) | 1,127.30 mi (1,814.22 km) |
| Callaway to Rohnert Park (California) | 2,180.01 mi (3,508.38 km) |
| Callaway to Rolla (Missouri) | 645.70 mi (1,039.15 km) |
| Callaway to Rolling Meadows (Illinois) | 836.28 mi (1,345.87 km) |
| Callaway to Roma (Texas) | 857.09 mi (1,379.36 km) |
| Callaway to Rome (Georgia) | 286.27 mi (460.70 km) |
| Callaway to Rome (New York) | 1,060.82 mi (1,707.22 km) |
