| Rapid City to La Crescenta-Montrose (California) | 1,050.31 mi (1,690.31 km) |
| Rapid City to La Crosse (Wisconsin) | 596.34 mi (959.72 km) |
| Rapid City to La Grande (Oregon) | 734.17 mi (1,181.53 km) |
| Rapid City to La Grange (Illinois) | 790.61 mi (1,272.37 km) |
| Rapid City to La Grange Park (Illinois) | 790.24 mi (1,271.76 km) |
| Rapid City to La Habra (California) | 1,053.86 mi (1,696.03 km) |
| Rapid City to La Homa (Texas) | 1,259.00 mi (2,026.17 km) |
| Rapid City to La Marque (Texas) | 1,111.95 mi (1,789.52 km) |
| Rapid City to La Mesa (California) | 1,077.72 mi (1,734.42 km) |
| Rapid City to La Mirada (California) | 1,057.44 mi (1,701.79 km) |
| Rapid City to La Palma (California) | 1,061.28 mi (1,707.97 km) |
| Rapid City to La Porte (Indiana) | 851.89 mi (1,370.98 km) |
| Rapid City to La Porte (Texas) | 1,091.46 mi (1,756.54 km) |
| Rapid City to La Presa (California) | 1,080.23 mi (1,738.46 km) |
| Rapid City to La Puente (California) | 1,048.77 mi (1,687.83 km) |
