| Oakland to Ridgeland (Mississippi) | 1,840.73 mi (2,962.37 km) |
| Oakland to Ridgewood (New Jersey) | 2,545.78 mi (4,097.04 km) |
| Oakland to Rifle (Colorado) | 787.64 mi (1,267.58 km) |
| Oakland to Rincon (Georgia) | 2,330.34 mi (3,750.31 km) |
| Oakland to Ringwood (New Jersey) | 2,535.83 mi (4,081.03 km) |
| Oakland to Río Grande (Puerto Rico) | 3,628.88 mi (5,840.12 km) |
| Oakland to Rio Grande City (Texas) | 1,573.56 mi (2,532.41 km) |
| Oakland to Rio Linda (California) | 74.90 mi (120.54 km) |
| Oakland to Rio Rancho (New Mexico) | 877.57 mi (1,412.31 km) |
| Oakland to Rio Rico (Arizona) | 771.42 mi (1,241.49 km) |
| Oakland to Ripon (California) | 59.39 mi (95.58 km) |
| Oakland to River Edge (New Jersey) | 2,550.31 mi (4,104.33 km) |
| Oakland to River Falls (Wisconsin) | 1,600.99 mi (2,576.54 km) |
| Oakland to River Forest (Illinois) | 1,834.16 mi (2,951.79 km) |
| Oakland to River Grove (Illinois) | 1,833.11 mi (2,950.11 km) |
