| Hard to Jeffersonville (Indiana) | 4,557.12 mi (7,333.97 km) |
| Hard to Jenison (Michigan) | 4,351.64 mi (7,003.29 km) |
| Hard to Jenks (Oklahoma) | 5,071.54 mi (8,161.86 km) |
| Hard to Jennings (Missouri) | 4,718.01 mi (7,592.90 km) |
| Hard to Jensen Beach (Florida) | 4,852.78 mi (7,809.80 km) |
| Hard to Jericho (New York) | 3,951.49 mi (6,359.31 km) |
| Hard to Jerome (Idaho) | 5,336.31 mi (8,587.96 km) |
| Hard to Jersey City (New Jersey) | 3,976.36 mi (6,399.34 km) |
| Hard to Jessup (Maryland) | 4,156.19 mi (6,688.74 km) |
| Hard to Johns Creek (Georgia) | 4,698.60 mi (7,561.66 km) |
| Hard to Johnson City (New York) | 3,995.73 mi (6,430.51 km) |
| Hard to Johnson City (Tennessee) | 4,514.89 mi (7,266.01 km) |
| Hard to Johnston (Iowa) | 4,704.20 mi (7,570.68 km) |
| Hard to Johnstown (Colorado) | 5,166.56 mi (8,314.78 km) |
| Hard to Johnstown (Pennsylvania) | 4,193.26 mi (6,748.39 km) |
