| Oklahoma City to Ridgeland (Mississippi) | 471.48 mi (758.77 km) |
| Oklahoma City to Ridgewood (New Jersey) | 1,321.47 mi (2,126.71 km) |
| Oklahoma City to Rifle (Colorado) | 628.16 mi (1,010.92 km) |
| Oklahoma City to Rincon (Georgia) | 957.90 mi (1,541.59 km) |
| Oklahoma City to Ringwood (New Jersey) | 1,314.54 mi (2,115.55 km) |
| Oklahoma City to Río Grande (Puerto Rico) | 2,265.13 mi (3,645.37 km) |
| Oklahoma City to Rio Grande City (Texas) | 632.58 mi (1,018.05 km) |
| Oklahoma City to Rio Linda (California) | 1,333.71 mi (2,146.39 km) |
| Oklahoma City to Rio Rancho (New Mexico) | 517.38 mi (832.65 km) |
| Oklahoma City to Rio Rico (Arizona) | 822.74 mi (1,324.08 km) |
| Oklahoma City to Ripon (California) | 1,315.82 mi (2,117.60 km) |
| Oklahoma City to River Edge (New Jersey) | 1,324.69 mi (2,131.88 km) |
| Oklahoma City to River Falls (Wisconsin) | 698.12 mi (1,123.51 km) |
| Oklahoma City to River Forest (Illinois) | 685.21 mi (1,102.74 km) |
| Oklahoma City to River Grove (Illinois) | 685.68 mi (1,103.50 km) |
