| Maryland Heights to Rancho Cordova (California) | 1,652.98 mi (2,660.21 km) |
| Maryland Heights to Rancho Cucamonga (California) | 1,533.36 mi (2,467.71 km) |
| Maryland Heights to Rancho Mirage (California) | 1,480.78 mi (2,383.09 km) |
| Maryland Heights to Rancho Palos Verdes (California) | 1,585.03 mi (2,550.86 km) |
| Maryland Heights to Rancho San Diego (California) | 1,533.06 mi (2,467.22 km) |
| Maryland Heights to Rancho Santa Margarita (California) | 1,546.95 mi (2,489.58 km) |
| Maryland Heights to Randallstown (Maryland) | 734.36 mi (1,181.84 km) |
| Maryland Heights to Rantoul (Illinois) | 165.14 mi (265.77 km) |
| Maryland Heights to Rapid City (South Dakota) | 755.88 mi (1,216.46 km) |
| Maryland Heights to Ravenna (Ohio) | 517.08 mi (832.16 km) |
| Maryland Heights to Raymondville (Texas) | 945.84 mi (1,522.19 km) |
| Maryland Heights to Raymore (Missouri) | 214.67 mi (345.48 km) |
| Maryland Heights to Raytown (Missouri) | 215.46 mi (346.75 km) |
| Maryland Heights to Reading (Ohio) | 326.35 mi (525.21 km) |
| Maryland Heights to Reading (Pennsylvania) | 782.43 mi (1,259.20 km) |
