| Preakness to River Ridge (Louisiana) | 1,173.88 mi (1,889.18 km) |
| Preakness to Riverbank (California) | 2,476.93 mi (3,986.24 km) |
| Preakness to Riverdale (Georgia) | 756.28 mi (1,217.11 km) |
| Preakness to Riverdale (Illinois) | 697.30 mi (1,122.19 km) |
| Preakness to Riverside (California) | 2,392.25 mi (3,849.96 km) |
| Preakness to Riverside (Ohio) | 526.87 mi (847.91 km) |
| Preakness to Riverton (Utah) | 1,960.68 mi (3,155.41 km) |
| Preakness to Riverton (Wyoming) | 1,749.65 mi (2,815.80 km) |
| Preakness to Riverview (Florida) | 1,015.39 mi (1,634.12 km) |
| Preakness to Riverview (Michigan) | 471.34 mi (758.55 km) |
| Preakness to Riviera Beach (Florida) | 1,033.46 mi (1,663.20 km) |
| Preakness to Riviera Beach (Maryland) | 172.83 mi (278.14 km) |
| Preakness to Roanoke (Virginia) | 397.89 mi (640.34 km) |
| Preakness to Roanoke Rapids (North Carolina) | 361.15 mi (581.21 km) |
| Preakness to Robbinsdale (Minnesota) | 1,003.62 mi (1,615.17 km) |
