| Rapid City to Los Alamitos (California) | 1,064.67 mi (1,713.43 km) |
| Rapid City to Los Alamos (New Mexico) | 587.83 mi (946.03 km) |
| Rapid City to Los Altos (California) | 1,088.21 mi (1,751.31 km) |
| Rapid City to Los Angeles (California) | 1,063.02 mi (1,710.76 km) |
| Rapid City to Los Banos (California) | 1,040.92 mi (1,675.19 km) |
| Rapid City to Los Gatos (California) | 1,086.59 mi (1,748.70 km) |
| Rapid City to Los Lunas (New Mexico) | 667.23 mi (1,073.80 km) |
| Rapid City to Los Osos (California) | 1,111.19 mi (1,788.28 km) |
| Rapid City to Loudoun Valley Estates (Virginia) | 1,369.77 mi (2,204.43 km) |
| Rapid City to Louisville (Colorado) | 300.01 mi (482.82 km) |
| Rapid City to Louisville (Kentucky) | 998.88 mi (1,607.54 km) |
| Rapid City to Lovejoy (Georgia) | 1,250.66 mi (2,012.74 km) |
| Rapid City to Loveland (Colorado) | 269.52 mi (433.75 km) |
| Rapid City to Loveland (Ohio) | 1,029.90 mi (1,657.46 km) |
| Rapid City to Loves Park (Illinois) | 725.33 mi (1,167.30 km) |
