| Port Huron to Lombard (Illinois) | 294.48 mi (473.92 km) |
| Port Huron to Lomita (California) | 2,026.52 mi (3,261.37 km) |
| Port Huron to Lompoc (California) | 2,106.77 mi (3,390.51 km) |
| Port Huron to London (Ohio) | 219.58 mi (353.37 km) |
| Port Huron to Lone Tree (Colorado) | 1,185.55 mi (1,907.96 km) |
| Port Huron to Long Beach (California) | 2,018.81 mi (3,248.96 km) |
| Port Huron to Long Beach (Mississippi) | 947.55 mi (1,524.94 km) |
| Port Huron to Long Beach (New York) | 480.98 mi (774.06 km) |
| Port Huron to Long Branch (New Jersey) | 473.73 mi (762.40 km) |
| Port Huron to Longmont (Colorado) | 1,183.62 mi (1,904.84 km) |
| Port Huron to Longview (Texas) | 985.73 mi (1,586.37 km) |
| Port Huron to Longview (Washington) | 1,985.01 mi (3,194.57 km) |
| Port Huron to Longwood (Florida) | 988.56 mi (1,590.94 km) |
| Port Huron to Lorain (Ohio) | 107.28 mi (172.65 km) |
| Port Huron to Lorton (Virginia) | 402.48 mi (647.73 km) |
