| Preakness to Reidsville (North Carolina) | 432.83 mi (696.57 km) |
| Preakness to Reisterstown (Maryland) | 170.82 mi (274.90 km) |
| Preakness to Rendon (Texas) | 1,393.00 mi (2,241.82 km) |
| Preakness to Reno (Nevada) | 2,380.47 mi (3,831.00 km) |
| Preakness to Renton (Washington) | 2,379.16 mi (3,828.89 km) |
| Preakness to Republic (Missouri) | 1,061.80 mi (1,708.80 km) |
| Preakness to Reston (Virginia) | 214.97 mi (345.97 km) |
| Preakness to Revere (Massachusetts) | 195.12 mi (314.02 km) |
| Preakness to Rexburg (Idaho) | 1,911.16 mi (3,075.71 km) |
| Preakness to Reynoldsburg (Ohio) | 455.47 mi (733.01 km) |
| Preakness to Rialto (California) | 2,386.83 mi (3,841.23 km) |
| Preakness to Richardson (Texas) | 1,352.89 mi (2,177.27 km) |
| Preakness to Richfield (Minnesota) | 999.51 mi (1,608.56 km) |
| Preakness to Richfield (Wisconsin) | 735.13 mi (1,183.07 km) |
| Preakness to Richland (Washington) | 2,253.62 mi (3,626.85 km) |
