| Grass Valley to Red Bank (New Jersey) | 2,466.04 mi (3,968.71 km) |
| Grass Valley to Red Bank (Tennessee) | 1,976.11 mi (3,180.23 km) |
| Grass Valley to Red Bluff (California) | 91.11 mi (146.63 km) |
| Grass Valley to Red Hill (South Carolina) | 2,343.89 mi (3,772.12 km) |
| Grass Valley to Red Oak (Texas) | 1,430.11 mi (2,301.54 km) |
| Grass Valley to Red Wing (Minnesota) | 1,500.72 mi (2,415.18 km) |
| Grass Valley to Redan (Georgia) | 2,069.35 mi (3,330.30 km) |
| Grass Valley to Redding (California) | 116.15 mi (186.93 km) |
| Grass Valley to Redland (Maryland) | 2,327.86 mi (3,746.33 km) |
| Grass Valley to Redlands (California) | 417.06 mi (671.19 km) |
| Grass Valley to Redmond (Oregon) | 348.11 mi (560.24 km) |
| Grass Valley to Redmond (Washington) | 586.43 mi (943.77 km) |
| Grass Valley to Redondo Beach (California) | 399.35 mi (642.70 km) |
| Grass Valley to Redwood City (California) | 134.84 mi (217.01 km) |
| Grass Valley to Reedley (California) | 201.36 mi (324.06 km) |
