| Mercer Island to Indianapolis (Indiana) | 1,863.15 mi (2,998.45 km) |
| Mercer Island to Indianola (Iowa) | 1,467.55 mi (2,361.79 km) |
| Mercer Island to Indio (California) | 1,005.26 mi (1,617.81 km) |
| Mercer Island to Inglewood (California) | 961.75 mi (1,547.79 km) |
| Mercer Island to Inkster (Michigan) | 1,917.29 mi (3,085.58 km) |
| Mercer Island to Inver Grove Heights (Minnesota) | 1,399.59 mi (2,252.42 km) |
| Mercer Island to Inwood (New York) | 2,412.39 mi (3,882.37 km) |
| Mercer Island to Iona (Florida) | 2,611.66 mi (4,203.05 km) |
| Mercer Island to Ionia (Michigan) | 1,816.48 mi (2,923.33 km) |
| Mercer Island to Iowa City (Iowa) | 1,553.10 mi (2,499.48 km) |
| Mercer Island to Irmo (South Carolina) | 2,304.93 mi (3,709.42 km) |
| Mercer Island to Irondale (Alabama) | 2,078.86 mi (3,345.60 km) |
| Mercer Island to Ironton (Ohio) | 2,067.15 mi (3,326.76 km) |
| Mercer Island to Irvine (California) | 987.26 mi (1,588.84 km) |
| Mercer Island to Irving (Texas) | 1,663.25 mi (2,676.75 km) |
