| Glenmont to Jacksonville (Texas) | 1,133.12 mi (1,823.59 km) |
| Glenmont to Jacksonville Beach (Florida) | 655.74 mi (1,055.31 km) |
| Glenmont to James Island (South Carolina) | 466.58 mi (750.89 km) |
| Glenmont to Jamestown (New York) | 238.66 mi (384.09 km) |
| Glenmont to Jamestown (North Dakota) | 1,215.22 mi (1,955.71 km) |
| Glenmont to Janesville (Wisconsin) | 672.47 mi (1,082.23 km) |
| Glenmont to Jasmine Estates (Florida) | 811.78 mi (1,306.43 km) |
| Glenmont to Jasper (Alabama) | 672.27 mi (1,081.91 km) |
| Glenmont to Jasper (Indiana) | 535.02 mi (861.04 km) |
| Glenmont to Jefferson (Georgia) | 498.08 mi (801.59 km) |
| Glenmont to Jefferson (Louisiana) | 974.39 mi (1,568.12 km) |
| Glenmont to Jefferson City (Missouri) | 814.25 mi (1,310.40 km) |
| Glenmont to Jefferson Hills (Pennsylvania) | 175.18 mi (281.92 km) |
| Glenmont to Jefferson Valley-Yorktown (New York) | 231.22 mi (372.11 km) |
| Glenmont to Jeffersontown (Kentucky) | 463.69 mi (746.24 km) |
