| Philadelphia to Laredo (Texas) | 1,633.38 mi (2,628.67 km) |
| Philadelphia to Largo (Florida) | 942.66 mi (1,517.07 km) |
| Philadelphia to Largo (Maryland) | 119.37 mi (192.11 km) |
| Philadelphia to Larkspur (California) | 2,519.78 mi (4,055.20 km) |
| Philadelphia to Las Cruces (New Mexico) | 1,832.79 mi (2,949.58 km) |
| Philadelphia to Las Vegas (Nevada) | 2,178.47 mi (3,505.90 km) |
| Philadelphia to Las Vegas (New Mexico) | 1,662.24 mi (2,675.12 km) |
| Philadelphia to Latham (New York) | 202.13 mi (325.30 km) |
| Philadelphia to Lathrop (California) | 2,459.58 mi (3,958.30 km) |
| Philadelphia to Lauderdale Lakes (Florida) | 999.72 mi (1,608.90 km) |
| Philadelphia to Lauderhill (Florida) | 1,000.61 mi (1,610.33 km) |
| Philadelphia to Laurel (Florida) | 982.27 mi (1,580.81 km) |
| Philadelphia to Laurel (Maryland) | 111.60 mi (179.60 km) |
| Philadelphia to Laurel (Mississippi) | 970.40 mi (1,561.71 km) |
| Philadelphia to Laurel (Virginia) | 207.65 mi (334.18 km) |
