| Guaynabo to Lowell (Indiana) | 2,021.80 mi (3,253.77 km) |
| Guaynabo to Lowell (Massachusetts) | 1,703.47 mi (2,741.47 km) |
| Guaynabo to Lower Burrell (Pennsylvania) | 1,733.30 mi (2,789.48 km) |
| Guaynabo to Lowes Island (Virginia) | 1,578.70 mi (2,540.67 km) |
| Guaynabo to Lubbock (Texas) | 2,440.59 mi (3,927.75 km) |
| Guaynabo to Lufkin (Texas) | 1,995.70 mi (3,211.76 km) |
| Guaynabo to Luling (Louisiana) | 1,717.64 mi (2,764.27 km) |
| Guaynabo to Lumberton (North Carolina) | 1,374.40 mi (2,211.88 km) |
| Guaynabo to Lumberton (Texas) | 1,942.35 mi (3,125.91 km) |
| Guaynabo to Lutz (Florida) | 1,234.56 mi (1,986.84 km) |
| Guaynabo to Lynbrook (New York) | 1,603.14 mi (2,580.00 km) |
| Guaynabo to Lynchburg (Virginia) | 1,533.88 mi (2,468.54 km) |
| Guaynabo to Lynden (Washington) | 3,753.23 mi (6,040.24 km) |
| Guaynabo to Lyndhurst (Ohio) | 1,837.95 mi (2,957.90 km) |
| Guaynabo to Lyndon (Kentucky) | 1,805.68 mi (2,905.96 km) |
