| Mercer Island to Jeffersontown (Kentucky) | 1,944.33 mi (3,129.10 km) |
| Mercer Island to Jeffersonville (Indiana) | 1,933.43 mi (3,111.56 km) |
| Mercer Island to Jenison (Michigan) | 1,783.30 mi (2,869.95 km) |
| Mercer Island to Jenks (Oklahoma) | 1,560.01 mi (2,510.59 km) |
| Mercer Island to Jennings (Missouri) | 1,708.76 mi (2,749.98 km) |
| Mercer Island to Jensen Beach (Florida) | 2,652.88 mi (4,269.40 km) |
| Mercer Island to Jericho (New York) | 2,416.70 mi (3,889.30 km) |
| Mercer Island to Jerome (Idaho) | 503.16 mi (809.76 km) |
| Mercer Island to Jersey City (New Jersey) | 2,394.54 mi (3,853.65 km) |
| Mercer Island to Jessup (Maryland) | 2,320.84 mi (3,735.03 km) |
| Mercer Island to Johns Creek (Georgia) | 2,169.74 mi (3,491.86 km) |
| Mercer Island to Johnson City (New York) | 2,263.22 mi (3,642.30 km) |
| Mercer Island to Johnson City (Tennessee) | 2,161.42 mi (3,478.47 km) |
| Mercer Island to Johnston (Iowa) | 1,450.16 mi (2,333.81 km) |
| Mercer Island to Johnstown (Colorado) | 990.54 mi (1,594.11 km) |
