| Grass Valley to Reidsville (North Carolina) | 2,248.87 mi (3,619.21 km) |
| Grass Valley to Reisterstown (Maryland) | 2,339.63 mi (3,765.26 km) |
| Grass Valley to Rendon (Texas) | 1,404.87 mi (2,260.91 km) |
| Grass Valley to Reno (Nevada) | 68.12 mi (109.63 km) |
| Grass Valley to Renton (Washington) | 573.19 mi (922.45 km) |
| Grass Valley to Republic (Missouri) | 1,500.38 mi (2,414.62 km) |
| Grass Valley to Reston (Virginia) | 2,320.68 mi (3,734.77 km) |
| Grass Valley to Revere (Massachusetts) | 2,588.17 mi (4,165.25 km) |
| Grass Valley to Rexburg (Idaho) | 574.28 mi (924.22 km) |
| Grass Valley to Reynoldsburg (Ohio) | 2,021.85 mi (3,253.85 km) |
| Grass Valley to Rialto (California) | 406.95 mi (654.92 km) |
| Grass Valley to Richardson (Texas) | 1,420.93 mi (2,286.77 km) |
| Grass Valley to Richfield (Minnesota) | 1,469.26 mi (2,364.55 km) |
| Grass Valley to Richfield (Wisconsin) | 1,716.04 mi (2,761.70 km) |
| Grass Valley to Richland (Washington) | 495.76 mi (797.84 km) |
