| Rapid City to Laredo (Texas) | 1,159.35 mi (1,865.79 km) |
| Rapid City to Largo (Florida) | 1,589.56 mi (2,558.15 km) |
| Rapid City to Largo (Maryland) | 1,405.82 mi (2,262.45 km) |
| Rapid City to Larkspur (California) | 1,089.05 mi (1,752.65 km) |
| Rapid City to Las Cruces (New Mexico) | 834.10 mi (1,342.35 km) |
| Rapid City to Las Vegas (Nevada) | 833.86 mi (1,341.97 km) |
| Rapid City to Las Vegas (New Mexico) | 594.74 mi (957.15 km) |
| Rapid City to Latham (New York) | 1,474.24 mi (2,372.56 km) |
| Rapid City to Lathrop (California) | 1,035.79 mi (1,666.94 km) |
| Rapid City to Lauderdale Lakes (Florida) | 1,783.39 mi (2,870.08 km) |
| Rapid City to Lauderhill (Florida) | 1,782.90 mi (2,869.30 km) |
| Rapid City to Laurel (Florida) | 1,642.34 mi (2,643.08 km) |
| Rapid City to Laurel (Maryland) | 1,398.37 mi (2,250.45 km) |
| Rapid City to Laurel (Mississippi) | 1,145.76 mi (1,843.93 km) |
| Rapid City to Laurel (Virginia) | 1,408.64 mi (2,266.99 km) |
