| Keystone to Largo (Florida) | 18.58 mi (29.90 km) |
| Keystone to Largo (Maryland) | 813.22 mi (1,308.75 km) |
| Keystone to Larkspur (California) | 2,390.16 mi (3,846.59 km) |
| Keystone to Las Cruces (New Mexico) | 1,469.53 mi (2,364.97 km) |
| Keystone to Las Vegas (Nevada) | 1,979.96 mi (3,186.45 km) |
| Keystone to Las Vegas (New Mexico) | 1,420.02 mi (2,285.31 km) |
| Keystone to Latham (New York) | 1,124.21 mi (1,809.24 km) |
| Keystone to Lathrop (California) | 2,323.20 mi (3,738.84 km) |
| Keystone to Lauderdale Lakes (Florida) | 200.33 mi (322.39 km) |
| Keystone to Lauderhill (Florida) | 199.68 mi (321.35 km) |
| Keystone to Laurel (Florida) | 68.34 mi (109.98 km) |
| Keystone to Laurel (Maryland) | 825.85 mi (1,329.08 km) |
| Keystone to Laurel (Mississippi) | 462.77 mi (744.75 km) |
| Keystone to Laurel (Virginia) | 719.93 mi (1,158.61 km) |
| Keystone to Laurinburg (North Carolina) | 493.54 mi (794.27 km) |
