| Rapid City to Roy (Utah) | 491.20 mi (790.50 km) |
| Rapid City to Royal Kunia (Hawaii) | 3,472.52 mi (5,588.48 km) |
| Rapid City to Royal Oak (Michigan) | 1,012.42 mi (1,629.33 km) |
| Rapid City to Royal Palm Beach (Florida) | 1,754.36 mi (2,823.37 km) |
| Rapid City to Royse City (Texas) | 851.82 mi (1,370.88 km) |
| Rapid City to Ruskin (Florida) | 1,614.03 mi (2,597.53 km) |
| Rapid City to Russellville (Alabama) | 1,056.74 mi (1,700.67 km) |
| Rapid City to Russellville (Arkansas) | 809.16 mi (1,302.22 km) |
| Rapid City to Ruston (Louisiana) | 980.50 mi (1,577.97 km) |
| Rapid City to Rutherford (New Jersey) | 1,493.34 mi (2,403.29 km) |
| Rapid City to Rutland (Vermont) | 1,498.94 mi (2,412.31 km) |
| Rapid City to Sabana Grande (Puerto Rico) | 2,760.02 mi (4,441.83 km) |
| Rapid City to Sachse (Texas) | 846.01 mi (1,361.52 km) |
| Rapid City to Saco (Maine) | 1,623.03 mi (2,612.01 km) |
| Rapid City to Sacramento (California) | 1,017.68 mi (1,637.80 km) |
