| Preakness to Ridgeland (Mississippi) | 1,057.85 mi (1,702.44 km) |
| Preakness to Ridgewood (New Jersey) | 6.56 mi (10.56 km) |
| Preakness to Rifle (Colorado) | 1,761.28 mi (2,834.51 km) |
| Preakness to Rincon (Georgia) | 712.04 mi (1,145.92 km) |
| Preakness to Ringwood (New Jersey) | 11.92 mi (19.19 km) |
| Preakness to Río Grande (Puerto Rico) | 1,635.97 mi (2,632.84 km) |
| Preakness to Rio Grande City (Texas) | 1,725.67 mi (2,777.20 km) |
| Preakness to Rio Linda (California) | 2,480.20 mi (3,991.50 km) |
| Preakness to Rio Rancho (New Mexico) | 1,797.07 mi (2,892.11 km) |
| Preakness to Rio Rico (Arizona) | 2,132.89 mi (3,432.55 km) |
| Preakness to Ripon (California) | 2,486.19 mi (4,001.14 km) |
| Preakness to River Edge (New Jersey) | 9.71 mi (15.63 km) |
| Preakness to River Falls (Wisconsin) | 967.54 mi (1,557.11 km) |
| Preakness to River Forest (Illinois) | 706.77 mi (1,137.44 km) |
| Preakness to River Grove (Illinois) | 707.76 mi (1,139.02 km) |
