| Preakness to Red Bank (New Jersey) | 41.60 mi (66.95 km) |
| Preakness to Red Bank (Tennessee) | 723.81 mi (1,164.86 km) |
| Preakness to Red Bluff (California) | 2,488.81 mi (4,005.35 km) |
| Preakness to Red Hill (South Carolina) | 560.02 mi (901.26 km) |
| Preakness to Red Oak (Texas) | 1,372.75 mi (2,209.24 km) |
| Preakness to Red Wing (Minnesota) | 963.42 mi (1,550.47 km) |
| Preakness to Redan (Georgia) | 737.71 mi (1,187.23 km) |
| Preakness to Redding (California) | 2,487.01 mi (4,002.45 km) |
| Preakness to Redland (Maryland) | 198.57 mi (319.57 km) |
| Preakness to Redlands (California) | 2,377.35 mi (3,825.98 km) |
| Preakness to Redmond (Oregon) | 2,366.54 mi (3,808.57 km) |
| Preakness to Redmond (Washington) | 2,374.04 mi (3,820.65 km) |
| Preakness to Redondo Beach (California) | 2,445.74 mi (3,936.04 km) |
| Preakness to Redwood City (California) | 2,548.08 mi (4,100.74 km) |
| Preakness to Reedley (California) | 2,427.37 mi (3,906.48 km) |
