| Cal to Rockville (Maryland) | 5,361.43 mi (8,628.39 km) |
| Cal to Rockville Centre (New York) | 5,147.43 mi (8,283.99 km) |
| Cal to Rockwall (Texas) | 6,423.00 mi (10,336.82 km) |
| Cal to Rocky Mount (North Carolina) | 5,526.58 mi (8,894.17 km) |
| Cal to Rocky Point (New York) | 5,106.83 mi (8,218.65 km) |
| Cal to Rocky River (Ohio) | 5,442.68 mi (8,759.15 km) |
| Cal to Roessleville (New York) | 5,069.25 mi (8,158.18 km) |
| Cal to Rogers (Arkansas) | 6,159.89 mi (9,913.38 km) |
| Cal to Rogers (Minnesota) | 5,679.89 mi (9,140.90 km) |
| Cal to Rohnert Park (California) | 6,865.90 mi (11,049.59 km) |
| Cal to Rolla (Missouri) | 5,988.19 mi (9,637.07 km) |
| Cal to Rolling Meadows (Illinois) | 5,645.41 mi (9,085.41 km) |
| Cal to Roma (Texas) | 6,868.55 mi (11,053.86 km) |
| Cal to Rome (Georgia) | 5,914.65 mi (9,518.71 km) |
| Cal to Rome (New York) | 5,115.27 mi (8,232.22 km) |
