| Middlesex to Lombard (Illinois) | 707.29 mi (1,138.27 km) |
| Middlesex to Lomita (California) | 2,431.40 mi (3,912.95 km) |
| Middlesex to Lompoc (California) | 2,519.96 mi (4,055.49 km) |
| Middlesex to London (Ohio) | 473.50 mi (762.03 km) |
| Middlesex to Lone Tree (Colorado) | 1,599.84 mi (2,574.70 km) |
| Middlesex to Long Beach (California) | 2,423.39 mi (3,900.06 km) |
| Middlesex to Long Beach (Mississippi) | 1,083.10 mi (1,743.08 km) |
| Middlesex to Long Beach (New York) | 43.83 mi (70.54 km) |
| Middlesex to Long Branch (New Jersey) | 32.97 mi (53.06 km) |
| Middlesex to Longmont (Colorado) | 1,602.82 mi (2,579.48 km) |
| Middlesex to Longview (Texas) | 1,250.74 mi (2,012.86 km) |
| Middlesex to Longview (Washington) | 2,426.24 mi (3,904.66 km) |
| Middlesex to Longwood (Florida) | 907.26 mi (1,460.09 km) |
| Middlesex to Lorain (Ohio) | 404.89 mi (651.61 km) |
| Middlesex to Lorton (Virginia) | 194.09 mi (312.35 km) |
