| Ronkonkoma to Leland (North Carolina) | 529.07 mi (851.46 km) |
| Ronkonkoma to Lemay (Missouri) | 924.48 mi (1,487.81 km) |
| Ronkonkoma to Lemon Grove (California) | 2,466.64 mi (3,969.68 km) |
| Ronkonkoma to Lemon Hill (California) | 2,542.96 mi (4,092.50 km) |
| Ronkonkoma to Lemont (Illinois) | 773.40 mi (1,244.67 km) |
| Ronkonkoma to Lemoore (California) | 2,511.42 mi (4,041.73 km) |
| Ronkonkoma to Lenexa (Kansas) | 1,153.37 mi (1,856.18 km) |
| Ronkonkoma to Lennox (California) | 2,500.41 mi (4,024.02 km) |
| Ronkonkoma to Lenoir (North Carolina) | 566.56 mi (911.80 km) |
| Ronkonkoma to Leominster (Massachusetts) | 137.67 mi (221.56 km) |
| Ronkonkoma to Leon Valley (Texas) | 1,629.68 mi (2,622.72 km) |
| Ronkonkoma to Levelland (Texas) | 1,675.95 mi (2,697.18 km) |
| Ronkonkoma to Levittown (New York) | 21.03 mi (33.85 km) |
| Ronkonkoma to Levittown (Pennsylvania) | 101.35 mi (163.10 km) |
| Ronkonkoma to Lewisburg (Tennessee) | 828.43 mi (1,333.23 km) |
