| Glen Burnie to Rockville (Maryland) | 29.81 mi (47.98 km) |
| Glen Burnie to Rockville Centre (New York) | 188.71 mi (303.69 km) |
| Glen Burnie to Rockwall (Texas) | 1,185.74 mi (1,908.27 km) |
| Glen Burnie to Rocky Mount (North Carolina) | 229.78 mi (369.79 km) |
| Glen Burnie to Rocky Point (New York) | 229.79 mi (369.80 km) |
| Glen Burnie to Rocky River (Ohio) | 319.19 mi (513.69 km) |
| Glen Burnie to Roessleville (New York) | 285.24 mi (459.04 km) |
| Glen Burnie to Rogers (Arkansas) | 976.95 mi (1,572.24 km) |
| Glen Burnie to Rogers (Minnesota) | 961.23 mi (1,546.95 km) |
| Glen Burnie to Rohnert Park (California) | 2,456.81 mi (3,953.86 km) |
| Glen Burnie to Rolla (Missouri) | 822.11 mi (1,323.06 km) |
| Glen Burnie to Rolling Meadows (Illinois) | 631.31 mi (1,015.99 km) |
| Glen Burnie to Roma (Texas) | 1,563.80 mi (2,516.69 km) |
| Glen Burnie to Rome (Georgia) | 582.61 mi (937.63 km) |
| Glen Burnie to Rome (New York) | 287.13 mi (462.09 km) |
