| Maryland Heights to Roy (Utah) | 1,152.23 mi (1,854.33 km) |
| Maryland Heights to Royal Kunia (Hawaii) | 4,119.95 mi (6,630.41 km) |
| Maryland Heights to Royal Oak (Michigan) | 464.48 mi (747.51 km) |
| Maryland Heights to Royal Palm Beach (Florida) | 1,020.35 mi (1,642.09 km) |
| Maryland Heights to Royse City (Texas) | 514.05 mi (827.28 km) |
| Maryland Heights to Ruskin (Florida) | 891.10 mi (1,434.09 km) |
| Maryland Heights to Russellville (Alabama) | 328.52 mi (528.70 km) |
| Maryland Heights to Russellville (Arkansas) | 279.58 mi (449.93 km) |
| Maryland Heights to Ruston (Louisiana) | 444.28 mi (715.00 km) |
| Maryland Heights to Rutherford (New Jersey) | 880.01 mi (1,416.24 km) |
| Maryland Heights to Rutland (Vermont) | 968.49 mi (1,558.64 km) |
| Maryland Heights to Sabana Grande (Puerto Rico) | 2,006.55 mi (3,229.23 km) |
| Maryland Heights to Sachse (Texas) | 523.67 mi (842.77 km) |
| Maryland Heights to Saco (Maine) | 1,090.31 mi (1,754.68 km) |
| Maryland Heights to Sacramento (California) | 1,664.52 mi (2,678.79 km) |
