| Glenmont to Red Bank (New Jersey) | 181.32 mi (291.80 km) |
| Glenmont to Red Bank (Tennessee) | 530.24 mi (853.35 km) |
| Glenmont to Red Bluff (California) | 2,380.16 mi (3,830.50 km) |
| Glenmont to Red Hill (South Carolina) | 381.58 mi (614.09 km) |
| Glenmont to Red Oak (Texas) | 1,192.04 mi (1,918.41 km) |
| Glenmont to Red Wing (Minnesota) | 884.96 mi (1,424.20 km) |
| Glenmont to Redan (Georgia) | 540.31 mi (869.55 km) |
| Glenmont to Redding (California) | 2,380.40 mi (3,830.88 km) |
| Glenmont to Redland (Maryland) | 6.94 mi (11.17 km) |
| Glenmont to Redlands (California) | 2,235.33 mi (3,597.42 km) |
| Glenmont to Redmond (Oregon) | 2,278.12 mi (3,666.28 km) |
| Glenmont to Redmond (Washington) | 2,305.35 mi (3,710.11 km) |
| Glenmont to Redondo Beach (California) | 2,304.62 mi (3,708.93 km) |
| Glenmont to Redwood City (California) | 2,427.12 mi (3,906.08 km) |
| Glenmont to Reedley (California) | 2,299.08 mi (3,700.02 km) |
