| Mack to Jeffersontown (Kentucky) | 81.02 mi (130.40 km) |
| Mack to Jeffersonville (Indiana) | 78.64 mi (126.56 km) |
| Mack to Jenison (Michigan) | 266.38 mi (428.70 km) |
| Mack to Jenks (Oklahoma) | 655.13 mi (1,054.33 km) |
| Mack to Jennings (Missouri) | 301.55 mi (485.30 km) |
| Mack to Jensen Beach (Florida) | 861.35 mi (1,386.20 km) |
| Mack to Jericho (New York) | 600.11 mi (965.78 km) |
| Mack to Jerome (Idaho) | 1,568.42 mi (2,524.13 km) |
| Mack to Jersey City (New Jersey) | 572.14 mi (920.77 km) |
| Mack to Jessup (Maryland) | 423.28 mi (681.21 km) |
| Mack to Johns Creek (Georgia) | 354.46 mi (570.45 km) |
| Mack to Johnson City (New York) | 500.79 mi (805.95 km) |
| Mack to Johnson City (Tennessee) | 231.13 mi (371.97 km) |
| Mack to Johnston (Iowa) | 506.80 mi (815.61 km) |
| Mack to Johnstown (Colorado) | 1,077.55 mi (1,734.15 km) |
