| Mercerville to Jeffersontown (Kentucky) | 598.54 mi (963.26 km) |
| Mercerville to Jeffersonville (Indiana) | 602.83 mi (970.16 km) |
| Mercerville to Jenison (Michigan) | 603.89 mi (971.86 km) |
| Mercerville to Jenks (Oklahoma) | 1,190.14 mi (1,915.35 km) |
| Mercerville to Jennings (Missouri) | 835.94 mi (1,345.31 km) |
| Mercerville to Jensen Beach (Florida) | 952.10 mi (1,532.25 km) |
| Mercerville to Jericho (New York) | 71.43 mi (114.95 km) |
| Mercerville to Jerome (Idaho) | 2,049.54 mi (3,298.41 km) |
| Mercerville to Jersey City (New Jersey) | 46.73 mi (75.20 km) |
| Mercerville to Jessup (Maryland) | 133.92 mi (215.53 km) |
| Mercerville to Johns Creek (Georgia) | 676.14 mi (1,088.15 km) |
| Mercerville to Johnson City (New York) | 146.16 mi (235.23 km) |
| Mercerville to Johnson City (Tennessee) | 496.00 mi (798.24 km) |
| Mercerville to Johnston (Iowa) | 995.99 mi (1,602.89 km) |
| Mercerville to Johnstown (Colorado) | 1,586.70 mi (2,553.54 km) |
