| Campbell to Ridgeland (Mississippi) | 1,825.45 mi (2,937.78 km) |
| Campbell to Ridgewood (New Jersey) | 2,544.79 mi (4,095.44 km) |
| Campbell to Rifle (Colorado) | 782.56 mi (1,259.41 km) |
| Campbell to Rincon (Georgia) | 2,318.14 mi (3,730.69 km) |
| Campbell to Ringwood (New Jersey) | 2,534.95 mi (4,079.61 km) |
| Campbell to Río Grande (Puerto Rico) | 3,611.38 mi (5,811.95 km) |
| Campbell to Rio Grande City (Texas) | 1,546.61 mi (2,489.04 km) |
| Campbell to Rio Linda (California) | 101.16 mi (162.80 km) |
| Campbell to Rio Rancho (New Mexico) | 859.78 mi (1,383.69 km) |
| Campbell to Rio Rico (Arizona) | 741.26 mi (1,192.94 km) |
| Campbell to Ripon (California) | 55.23 mi (88.89 km) |
| Campbell to River Edge (New Jersey) | 2,549.27 mi (4,102.66 km) |
| Campbell to River Falls (Wisconsin) | 1,604.66 mi (2,582.45 km) |
| Campbell to River Forest (Illinois) | 1,832.86 mi (2,949.71 km) |
| Campbell to River Grove (Illinois) | 1,831.86 mi (2,948.10 km) |
