| Williamsport to Lombard (Illinois) | 568.92 mi (915.59 km) |
| Williamsport to Lomita (California) | 2,297.48 mi (3,697.44 km) |
| Williamsport to Lompoc (California) | 2,384.27 mi (3,837.11 km) |
| Williamsport to London (Ohio) | 348.49 mi (560.84 km) |
| Williamsport to Lone Tree (Colorado) | 1,463.34 mi (2,355.01 km) |
| Williamsport to Long Beach (California) | 2,289.53 mi (3,684.65 km) |
| Williamsport to Long Beach (Mississippi) | 1,011.32 mi (1,627.57 km) |
| Williamsport to Long Beach (New York) | 181.66 mi (292.35 km) |
| Williamsport to Long Branch (New Jersey) | 172.17 mi (277.08 km) |
| Williamsport to Longmont (Colorado) | 1,465.40 mi (2,358.34 km) |
| Williamsport to Longview (Texas) | 1,146.72 mi (1,845.46 km) |
| Williamsport to Longview (Washington) | 2,286.79 mi (3,680.24 km) |
| Williamsport to Longwood (Florida) | 899.73 mi (1,447.98 km) |
| Williamsport to Lorain (Ohio) | 267.32 mi (430.21 km) |
| Williamsport to Lorton (Virginia) | 175.86 mi (283.03 km) |
