| Keystone to Land O' Lakes (Florida) | 10.67 mi (17.17 km) |
| Keystone to Landover (Maryland) | 814.60 mi (1,310.98 km) |
| Keystone to Langley Park (Maryland) | 816.57 mi (1,314.14 km) |
| Keystone to Lanham (Maryland) | 818.02 mi (1,316.47 km) |
| Keystone to Lansdale (Pennsylvania) | 934.61 mi (1,504.11 km) |
| Keystone to Lansdowne (Pennsylvania) | 916.57 mi (1,475.07 km) |
| Keystone to Lansdowne (Virginia) | 811.65 mi (1,306.22 km) |
| Keystone to Lansing (Illinois) | 969.16 mi (1,559.71 km) |
| Keystone to Lansing (Kansas) | 1,041.63 mi (1,676.34 km) |
| Keystone to Lansing (Michigan) | 1,013.53 mi (1,631.12 km) |
| Keystone to Lantana (Florida) | 189.20 mi (304.48 km) |
| Keystone to Lantana (Texas) | 927.99 mi (1,493.45 km) |
| Keystone to Laplace (Louisiana) | 493.91 mi (794.88 km) |
| Keystone to Laramie (Wyoming) | 1,584.47 mi (2,549.95 km) |
| Keystone to Laredo (Texas) | 1,031.62 mi (1,660.23 km) |
