| Campbell to Rockville (Maryland) | 2,411.46 mi (3,880.87 km) |
| Campbell to Rockville Centre (New York) | 2,573.21 mi (4,141.18 km) |
| Campbell to Rockwall (Texas) | 1,468.85 mi (2,363.89 km) |
| Campbell to Rocky Mount (North Carolina) | 2,427.40 mi (3,906.52 km) |
| Campbell to Rocky Point (New York) | 2,605.71 mi (4,193.48 km) |
| Campbell to Rocky River (Ohio) | 2,141.93 mi (3,447.10 km) |
| Campbell to Roessleville (New York) | 2,541.85 mi (4,090.71 km) |
| Campbell to Rogers (Arkansas) | 1,534.02 mi (2,468.76 km) |
| Campbell to Rogers (Minnesota) | 1,562.49 mi (2,514.58 km) |
| Campbell to Rohnert Park (California) | 84.17 mi (135.46 km) |
| Campbell to Rolla (Missouri) | 1,645.92 mi (2,648.85 km) |
| Campbell to Rolling Meadows (Illinois) | 1,822.04 mi (2,932.29 km) |
| Campbell to Roma (Texas) | 1,535.83 mi (2,471.67 km) |
| Campbell to Rome (Georgia) | 2,058.67 mi (3,313.10 km) |
| Campbell to Rome (New York) | 2,452.20 mi (3,946.43 km) |
