| Grass Valley to Indianola (Iowa) | 1,449.98 mi (2,333.52 km) |
| Grass Valley to Indio (California) | 464.02 mi (746.77 km) |
| Grass Valley to Inglewood (California) | 393.66 mi (633.53 km) |
| Grass Valley to Inkster (Michigan) | 1,970.14 mi (3,170.63 km) |
| Grass Valley to Inver Grove Heights (Minnesota) | 1,479.81 mi (2,381.52 km) |
| Grass Valley to Inwood (New York) | 2,477.71 mi (3,987.48 km) |
| Grass Valley to Iona (Florida) | 2,410.18 mi (3,878.81 km) |
| Grass Valley to Ionia (Michigan) | 1,876.62 mi (3,020.13 km) |
| Grass Valley to Iowa City (Iowa) | 1,553.85 mi (2,500.68 km) |
| Grass Valley to Irmo (South Carolina) | 2,219.09 mi (3,571.28 km) |
| Grass Valley to Irondale (Alabama) | 1,940.70 mi (3,123.25 km) |
| Grass Valley to Ironton (Ohio) | 2,049.01 mi (3,297.57 km) |
| Grass Valley to Irvine (California) | 424.26 mi (682.77 km) |
| Grass Valley to Irving (Texas) | 1,410.48 mi (2,269.95 km) |
| Grass Valley to Isabela (Puerto Rico) | 3,509.36 mi (5,647.76 km) |
