| San Juan to Lombard (Illinois) | 2,073.08 mi (3,336.29 km) |
| San Juan to Lomita (California) | 3,374.04 mi (5,429.99 km) |
| San Juan to Lompoc (California) | 3,501.27 mi (5,634.75 km) |
| San Juan to London (Ohio) | 1,810.55 mi (2,913.79 km) |
| San Juan to Lone Tree (Colorado) | 2,731.97 mi (4,396.68 km) |
| San Juan to Long Beach (California) | 3,365.45 mi (5,416.17 km) |
| San Juan to Long Beach (Mississippi) | 1,667.27 mi (2,683.22 km) |
| San Juan to Long Beach (New York) | 1,598.32 mi (2,572.25 km) |
| San Juan to Long Branch (New Jersey) | 1,584.86 mi (2,550.58 km) |
| San Juan to Longmont (Colorado) | 2,759.23 mi (4,440.54 km) |
| San Juan to Longview (Texas) | 2,029.20 mi (3,265.69 km) |
| San Juan to Longview (Washington) | 3,736.88 mi (6,013.92 km) |
| San Juan to Longwood (Florida) | 1,199.79 mi (1,930.87 km) |
| San Juan to Lorain (Ohio) | 1,854.76 mi (2,984.94 km) |
| San Juan to Lorton (Virginia) | 1,554.41 mi (2,501.58 km) |
