| Grass Valley to Oak Harbor (Washington) | 631.76 mi (1,016.72 km) |
| Grass Valley to Oak Hills (Oregon) | 445.86 mi (717.54 km) |
| Grass Valley to Oak Lawn (Illinois) | 1,747.81 mi (2,812.83 km) |
| Grass Valley to Oak Park (California) | 370.41 mi (596.12 km) |
| Grass Valley to Oak Park (Illinois) | 1,744.79 mi (2,807.98 km) |
| Grass Valley to Oak Park (Michigan) | 1,975.50 mi (3,179.26 km) |
| Grass Valley to Oak Ridge (Florida) | 2,371.27 mi (3,816.19 km) |
| Grass Valley to Oak Ridge (New Jersey) | 2,433.24 mi (3,915.92 km) |
| Grass Valley to Oak Ridge (Tennessee) | 2,011.13 mi (3,236.59 km) |
| Grass Valley to Oakdale (California) | 101.62 mi (163.55 km) |
| Grass Valley to Oakdale (Minnesota) | 1,485.53 mi (2,390.73 km) |
| Grass Valley to Oakland (California) | 117.35 mi (188.86 km) |
| Grass Valley to Oakland (New Jersey) | 2,446.28 mi (3,936.91 km) |
| Grass Valley to Oakland Park (Florida) | 2,517.90 mi (4,052.16 km) |
| Grass Valley to Oakleaf Plantation (Florida) | 2,294.58 mi (3,692.76 km) |
