| Rancho San Diego to Lombard (Illinois) | 1,698.32 mi (2,733.18 km) |
| Rancho San Diego to Lomita (California) | 107.67 mi (173.27 km) |
| Rancho San Diego to Lompoc (California) | 242.65 mi (390.51 km) |
| Rancho San Diego to London (Ohio) | 1,915.53 mi (3,082.74 km) |
| Rancho San Diego to Lone Tree (Colorado) | 817.72 mi (1,316.00 km) |
| Rancho San Diego to Long Beach (California) | 101.52 mi (163.39 km) |
| Rancho San Diego to Long Beach (Mississippi) | 1,637.72 mi (2,635.65 km) |
| Rancho San Diego to Long Beach (New York) | 2,431.73 mi (3,913.50 km) |
| Rancho San Diego to Long Branch (New Jersey) | 2,415.10 mi (3,886.72 km) |
| Rancho San Diego to Longmont (Colorado) | 831.29 mi (1,337.83 km) |
| Rancho San Diego to Longview (Texas) | 1,286.90 mi (2,071.06 km) |
| Rancho San Diego to Longview (Washington) | 978.56 mi (1,574.84 km) |
| Rancho San Diego to Longwood (Florida) | 2,121.19 mi (3,413.72 km) |
| Rancho San Diego to Lorain (Ohio) | 1,990.69 mi (3,203.71 km) |
| Rancho San Diego to Lorton (Virginia) | 2,246.41 mi (3,615.25 km) |
