| Glenmont to Rosemont (California) | 2,361.70 mi (3,800.78 km) |
| Glenmont to Rosemount (Minnesota) | 910.21 mi (1,464.85 km) |
| Glenmont to Rosenberg (Texas) | 1,253.66 mi (2,017.57 km) |
| Glenmont to Roseville (California) | 2,355.86 mi (3,791.40 km) |
| Glenmont to Roseville (Michigan) | 388.88 mi (625.85 km) |
| Glenmont to Roseville (Minnesota) | 920.74 mi (1,481.79 km) |
| Glenmont to Rossmoor (California) | 2,290.49 mi (3,686.20 km) |
| Glenmont to Rossville (Maryland) | 36.41 mi (58.59 km) |
| Glenmont to Roswell (Georgia) | 533.69 mi (858.89 km) |
| Glenmont to Roswell (New Mexico) | 1,575.01 mi (2,534.74 km) |
| Glenmont to Round Lake (Illinois) | 621.25 mi (999.80 km) |
| Glenmont to Round Lake Beach (Illinois) | 620.79 mi (999.07 km) |
| Glenmont to Round Rock (Texas) | 1,306.02 mi (2,101.84 km) |
| Glenmont to Rowland Heights (California) | 2,275.83 mi (3,662.59 km) |
| Glenmont to Rowlett (Texas) | 1,167.25 mi (1,878.50 km) |
