| Glenmont to Rancho Cordova (California) | 2,355.88 mi (3,791.42 km) |
| Glenmont to Rancho Cucamonga (California) | 2,254.70 mi (3,628.59 km) |
| Glenmont to Rancho Mirage (California) | 2,202.60 mi (3,544.74 km) |
| Glenmont to Rancho Palos Verdes (California) | 2,306.48 mi (3,711.92 km) |
| Glenmont to Rancho San Diego (California) | 2,254.79 mi (3,628.74 km) |
| Glenmont to Rancho Santa Margarita (California) | 2,268.66 mi (3,651.06 km) |
| Glenmont to Randallstown (Maryland) | 24.65 mi (39.68 km) |
| Glenmont to Rantoul (Illinois) | 596.34 mi (959.71 km) |
| Glenmont to Rapid City (South Dakota) | 1,389.92 mi (2,236.86 km) |
| Glenmont to Ravenna (Ohio) | 264.57 mi (425.79 km) |
| Glenmont to Raymondville (Texas) | 1,479.78 mi (2,381.47 km) |
| Glenmont to Raymore (Missouri) | 934.52 mi (1,503.96 km) |
| Glenmont to Raytown (Missouri) | 933.39 mi (1,502.15 km) |
| Glenmont to Reading (Ohio) | 395.84 mi (637.04 km) |
| Glenmont to Reading (Pennsylvania) | 106.05 mi (170.67 km) |
