| Healdsburg to Indianola (Iowa) | 1,555.00 mi (2,502.53 km) |
| Healdsburg to Indio (California) | 500.53 mi (805.52 km) |
| Healdsburg to Inglewood (California) | 408.91 mi (658.08 km) |
| Healdsburg to Inkster (Michigan) | 2,075.82 mi (3,340.71 km) |
| Healdsburg to Inver Grove Heights (Minnesota) | 1,585.70 mi (2,551.94 km) |
| Healdsburg to Inwood (New York) | 2,583.29 mi (4,157.41 km) |
| Healdsburg to Iona (Florida) | 2,500.65 mi (4,024.41 km) |
| Healdsburg to Ionia (Michigan) | 1,982.44 mi (3,190.42 km) |
| Healdsburg to Iowa City (Iowa) | 1,659.09 mi (2,670.05 km) |
| Healdsburg to Irmo (South Carolina) | 2,319.46 mi (3,732.82 km) |
| Healdsburg to Irondale (Alabama) | 2,038.35 mi (3,280.41 km) |
| Healdsburg to Ironton (Ohio) | 2,152.92 mi (3,464.80 km) |
| Healdsburg to Irvine (California) | 444.16 mi (714.81 km) |
| Healdsburg to Irving (Texas) | 1,500.20 mi (2,414.34 km) |
| Healdsburg to Isabela (Puerto Rico) | 3,601.00 mi (5,795.25 km) |
