| National City to Jeffersontown (Kentucky) | 1,806.47 mi (2,907.24 km) |
| National City to Jeffersonville (Indiana) | 1,799.73 mi (2,896.39 km) |
| National City to Jenison (Michigan) | 1,834.95 mi (2,953.07 km) |
| National City to Jenks (Oklahoma) | 1,224.54 mi (1,970.71 km) |
| National City to Jennings (Missouri) | 1,556.53 mi (2,504.99 km) |
| National City to Jensen Beach (Florida) | 2,226.65 mi (3,583.44 km) |
| National City to Jericho (New York) | 2,450.24 mi (3,943.29 km) |
| National City to Jerome (Idaho) | 708.66 mi (1,140.48 km) |
| National City to Jersey City (New Jersey) | 2,422.74 mi (3,899.02 km) |
| National City to Jessup (Maryland) | 2,281.27 mi (3,671.35 km) |
| National City to Johns Creek (Georgia) | 1,892.80 mi (3,046.17 km) |
| National City to Johnson City (New York) | 2,326.15 mi (3,743.57 km) |
| National City to Johnson City (Tennessee) | 1,982.38 mi (3,190.33 km) |
| National City to Johnston (Iowa) | 1,423.71 mi (2,291.24 km) |
| National City to Johnstown (Colorado) | 857.20 mi (1,379.54 km) |
