| Middle River to Jeffersontown (Kentucky) | 498.62 mi (802.44 km) |
| Middle River to Jeffersonville (Indiana) | 503.85 mi (810.87 km) |
| Middle River to Jenison (Michigan) | 547.30 mi (880.80 km) |
| Middle River to Jenks (Oklahoma) | 1,091.47 mi (1,756.56 km) |
| Middle River to Jennings (Missouri) | 743.26 mi (1,196.16 km) |
| Middle River to Jensen Beach (Florida) | 864.35 mi (1,391.04 km) |
| Middle River to Jericho (New York) | 182.20 mi (293.23 km) |
| Middle River to Jerome (Idaho) | 1,982.02 mi (3,189.75 km) |
| Middle River to Jersey City (New Jersey) | 156.73 mi (252.24 km) |
| Middle River to Jessup (Maryland) | 23.15 mi (37.25 km) |
| Middle River to Johns Creek (Georgia) | 565.55 mi (910.17 km) |
| Middle River to Johnson City (New York) | 193.56 mi (311.51 km) |
| Middle River to Johnson City (Tennessee) | 385.40 mi (620.24 km) |
| Middle River to Johnston (Iowa) | 921.31 mi (1,482.71 km) |
| Middle River to Johnstown (Colorado) | 1,508.10 mi (2,427.05 km) |
