| Port Huron to Laindon | 3,717.03 mi (5,981.99 km) |
| Port Huron to Lambeth | 3,698.77 mi (5,952.59 km) |
| Port Huron to Lanark | 3,447.66 mi (5,548.47 km) |
| Port Huron to Lancaster | 3,524.56 mi (5,672.24 km) |
| Port Huron to Lancing | 3,710.75 mi (5,971.88 km) |
| Port Huron to Larbert | 3,437.59 mi (5,532.26 km) |
| Port Huron to Largs | 3,404.86 mi (5,479.59 km) |
| Port Huron to Larkhall | 3,439.05 mi (5,534.62 km) |
| Port Huron to Launceston | 3,556.11 mi (5,723.00 km) |
| Port Huron to Leagrave | 3,673.10 mi (5,911.29 km) |
| Port Huron to Leatherhead | 3,696.44 mi (5,948.84 km) |
| Port Huron to Ledbury | 3,593.55 mi (5,783.25 km) |
| Port Huron to Leeds | 3,578.17 mi (5,758.51 km) |
| Port Huron to Leek | 3,579.17 mi (5,760.12 km) |
| Port Huron to Leicester | 3,626.40 mi (5,836.13 km) |
