| Maryland Heights to Red Bank (New Jersey) | 880.26 mi (1,416.64 km) |
| Maryland Heights to Red Bank (Tennessee) | 379.30 mi (610.42 km) |
| Maryland Heights to Red Bluff (California) | 1,688.85 mi (2,717.94 km) |
| Maryland Heights to Red Hill (South Carolina) | 723.50 mi (1,164.36 km) |
| Maryland Heights to Red Oak (Texas) | 555.60 mi (894.15 km) |
| Maryland Heights to Red Wing (Minnesota) | 419.68 mi (675.41 km) |
| Maryland Heights to Redan (Georgia) | 491.76 mi (791.41 km) |
| Maryland Heights to Redding (California) | 1,692.20 mi (2,723.33 km) |
| Maryland Heights to Redland (Maryland) | 716.36 mi (1,152.86 km) |
| Maryland Heights to Redlands (California) | 1,513.82 mi (2,436.26 km) |
| Maryland Heights to Redmond (Oregon) | 1,624.44 mi (2,614.29 km) |
| Maryland Heights to Redmond (Washington) | 1,695.19 mi (2,728.15 km) |
| Maryland Heights to Redondo Beach (California) | 1,583.27 mi (2,548.02 km) |
| Maryland Heights to Redwood City (California) | 1,719.48 mi (2,767.23 km) |
| Maryland Heights to Reedley (California) | 1,584.87 mi (2,550.61 km) |
