| San Marino to Lombard (Illinois) | 1,713.76 mi (2,758.02 km) |
| San Marino to Lomita (California) | 25.58 mi (41.16 km) |
| San Marino to Lompoc (California) | 139.52 mi (224.53 km) |
| San Marino to London (Ohio) | 1,941.58 mi (3,124.68 km) |
| San Marino to Lone Tree (Colorado) | 821.03 mi (1,321.32 km) |
| San Marino to Long Beach (California) | 22.65 mi (36.44 km) |
| San Marino to Long Beach (Mississippi) | 1,705.75 mi (2,745.14 km) |
| San Marino to Long Beach (New York) | 2,455.13 mi (3,951.15 km) |
| San Marino to Long Branch (New Jersey) | 2,439.54 mi (3,926.06 km) |
| San Marino to Longmont (Colorado) | 828.27 mi (1,332.97 km) |
| San Marino to Longview (Texas) | 1,349.77 mi (2,172.25 km) |
| San Marino to Longview (Washington) | 868.92 mi (1,398.39 km) |
| San Marino to Longwood (Florida) | 2,188.06 mi (3,521.35 km) |
| San Marino to Lorain (Ohio) | 2,010.53 mi (3,235.63 km) |
| San Marino to Lorton (Virginia) | 2,276.98 mi (3,664.45 km) |
