| Rancho Santa Margarita to Lombard (Illinois) | 1,703.35 mi (2,741.28 km) |
| Rancho Santa Margarita to Lomita (California) | 42.79 mi (68.86 km) |
| Rancho Santa Margarita to Lompoc (California) | 179.00 mi (288.08 km) |
| Rancho Santa Margarita to London (Ohio) | 1,927.30 mi (3,101.69 km) |
| Rancho Santa Margarita to Lone Tree (Colorado) | 814.20 mi (1,310.32 km) |
| Rancho Santa Margarita to Long Beach (California) | 34.61 mi (55.70 km) |
| Rancho Santa Margarita to Long Beach (Mississippi) | 1,676.05 mi (2,697.35 km) |
| Rancho Santa Margarita to Long Beach (New York) | 2,442.03 mi (3,930.06 km) |
| Rancho Santa Margarita to Long Branch (New Jersey) | 2,426.04 mi (3,904.33 km) |
| Rancho Santa Margarita to Longmont (Colorado) | 823.89 mi (1,325.92 km) |
| Rancho Santa Margarita to Longview (Texas) | 1,321.72 mi (2,127.11 km) |
| Rancho Santa Margarita to Longview (Washington) | 909.66 mi (1,463.95 km) |
| Rancho Santa Margarita to Longwood (Florida) | 2,158.93 mi (3,474.46 km) |
| Rancho Santa Margarita to Lorain (Ohio) | 1,998.61 mi (3,216.45 km) |
| Rancho Santa Margarita to Lorton (Virginia) | 2,261.14 mi (3,638.95 km) |
