| Grass Valley to River Ridge (Louisiana) | 1,855.95 mi (2,986.86 km) |
| Grass Valley to Riverbank (California) | 103.66 mi (166.82 km) |
| Grass Valley to Riverdale (Georgia) | 2,060.63 mi (3,316.26 km) |
| Grass Valley to Riverdale (Illinois) | 1,754.25 mi (2,823.20 km) |
| Grass Valley to Riverside (California) | 417.69 mi (672.21 km) |
| Grass Valley to Riverside (Ohio) | 1,955.05 mi (3,146.35 km) |
| Grass Valley to Riverton (Utah) | 489.94 mi (788.48 km) |
| Grass Valley to Riverton (Wyoming) | 707.70 mi (1,138.94 km) |
| Grass Valley to Riverview (Florida) | 2,346.17 mi (3,775.80 km) |
| Grass Valley to Riverview (Michigan) | 1,977.23 mi (3,182.05 km) |
| Grass Valley to Riviera Beach (Florida) | 2,500.60 mi (4,024.32 km) |
| Grass Valley to Riviera Beach (Maryland) | 2,359.57 mi (3,797.36 km) |
| Grass Valley to Roanoke (Virginia) | 2,214.64 mi (3,564.12 km) |
| Grass Valley to Roanoke Rapids (North Carolina) | 2,353.62 mi (3,787.78 km) |
| Grass Valley to Robbinsdale (Minnesota) | 1,467.87 mi (2,362.30 km) |
