| Glenmont to Joliet (Illinois) | 608.61 mi (979.46 km) |
| Glenmont to Jonesboro (Arkansas) | 779.88 mi (1,255.09 km) |
| Glenmont to Joplin (Missouri) | 957.84 mi (1,541.50 km) |
| Glenmont to Joppatowne (Maryland) | 44.30 mi (71.30 km) |
| Glenmont to Juana Díaz (Puerto Rico) | 1,583.95 mi (2,549.13 km) |
| Glenmont to Junction City (Kansas) | 1,060.55 mi (1,706.79 km) |
| Glenmont to Juneau (Alaska) | 2,815.37 mi (4,530.90 km) |
| Glenmont to Jupiter (Florida) | 857.91 mi (1,380.67 km) |
| Glenmont to Jupiter Farms (Florida) | 859.04 mi (1,382.50 km) |
| Glenmont to Jurupa Valley (California) | 2,252.59 mi (3,625.20 km) |
| Glenmont to Justice (Illinois) | 596.49 mi (959.95 km) |
| Glenmont to Kahului (Hawaii) | 4,769.75 mi (7,676.17 km) |
| Glenmont to Kailua (Hawaii) | 4,816.38 mi (7,751.22 km) |
| Glenmont to Kalamazoo (Michigan) | 499.07 mi (803.17 km) |
| Glenmont to Kalispell (Montana) | 1,946.06 mi (3,131.88 km) |
