| Grays to Reidsville (North Carolina) | 3,909.78 mi (6,292.18 km) |
| Grays to Reisterstown (Maryland) | 3,650.31 mi (5,874.61 km) |
| Grays to Rendon (Texas) | 4,793.72 mi (7,714.75 km) |
| Grays to Reno (Nevada) | 5,190.58 mi (8,353.43 km) |
| Grays to Renton (Washington) | 4,801.68 mi (7,727.56 km) |
| Grays to Republic (Missouri) | 4,416.03 mi (7,106.91 km) |
| Grays to Reston (Virginia) | 3,694.66 mi (5,945.98 km) |
| Grays to Revere (Massachusetts) | 3,285.71 mi (5,287.85 km) |
| Grays to Rexburg (Idaho) | 4,707.40 mi (7,575.84 km) |
| Grays to Reynoldsburg (Ohio) | 3,867.28 mi (6,223.79 km) |
| Grays to Rialto (California) | 5,425.49 mi (8,731.49 km) |
| Grays to Richardson (Texas) | 4,753.18 mi (7,649.50 km) |
| Grays to Richfield (Minnesota) | 4,034.12 mi (6,492.28 km) |
| Grays to Richfield (Wisconsin) | 3,926.08 mi (6,318.41 km) |
| Grays to Richland (Washington) | 4,791.61 mi (7,711.36 km) |
