| Callaway to Rosemont (California) | 2,108.70 mi (3,393.62 km) |
| Callaway to Rosemount (Minnesota) | 1,089.17 mi (1,752.86 km) |
| Callaway to Rosenberg (Texas) | 616.38 mi (991.96 km) |
| Callaway to Roseville (California) | 2,108.18 mi (3,392.79 km) |
| Callaway to Roseville (Michigan) | 867.08 mi (1,395.44 km) |
| Callaway to Roseville (Minnesota) | 1,107.87 mi (1,782.95 km) |
| Callaway to Rossmoor (California) | 1,915.16 mi (3,082.15 km) |
| Callaway to Rossville (Maryland) | 818.65 mi (1,317.48 km) |
| Callaway to Roswell (Georgia) | 278.82 mi (448.72 km) |
| Callaway to Roswell (New Mexico) | 1,135.19 mi (1,826.91 km) |
| Callaway to Round Lake (Illinois) | 855.29 mi (1,376.46 km) |
| Callaway to Round Lake Beach (Illinois) | 857.49 mi (1,379.99 km) |
| Callaway to Round Rock (Texas) | 722.20 mi (1,162.27 km) |
| Callaway to Rowland Heights (California) | 1,904.05 mi (3,064.27 km) |
| Callaway to Rowlett (Texas) | 674.90 mi (1,086.15 km) |
