| Greenock to Indianola (Iowa) | 3,882.90 mi (6,248.92 km) |
| Greenock to Indio (California) | 5,054.84 mi (8,134.98 km) |
| Greenock to Inglewood (California) | 5,107.22 mi (8,219.27 km) |
| Greenock to Inkster (Michigan) | 3,470.21 mi (5,584.76 km) |
| Greenock to Inver Grove Heights (Minnesota) | 3,691.20 mi (5,940.42 km) |
| Greenock to Inwood (New York) | 3,193.77 mi (5,139.87 km) |
| Greenock to Iona (Florida) | 4,232.16 mi (6,811.00 km) |
| Greenock to Ionia (Michigan) | 3,500.91 mi (5,634.16 km) |
| Greenock to Iowa City (Iowa) | 3,796.61 mi (6,110.05 km) |
| Greenock to Irmo (South Carolina) | 3,801.38 mi (6,117.73 km) |
| Greenock to Irondale (Alabama) | 4,036.72 mi (6,496.48 km) |
| Greenock to Ironton (Ohio) | 3,631.87 mi (5,844.92 km) |
| Greenock to Irvine (California) | 5,105.99 mi (8,217.30 km) |
| Greenock to Irving (Texas) | 4,452.43 mi (7,165.50 km) |
| Greenock to Isabela (Puerto Rico) | 4,099.42 mi (6,597.39 km) |
