| Keystone to Lomita (California) | 2,141.10 mi (3,445.77 km) |
| Keystone to Lompoc (California) | 2,264.97 mi (3,645.12 km) |
| Keystone to London (Ohio) | 814.10 mi (1,310.17 km) |
| Keystone to Lone Tree (Colorado) | 1,495.04 mi (2,406.03 km) |
| Keystone to Long Beach (California) | 2,132.47 mi (3,431.87 km) |
| Keystone to Long Beach (Mississippi) | 424.62 mi (683.36 km) |
| Keystone to Long Beach (New York) | 998.94 mi (1,607.64 km) |
| Keystone to Long Branch (New Jersey) | 972.68 mi (1,565.38 km) |
| Keystone to Longmont (Colorado) | 1,525.02 mi (2,454.29 km) |
| Keystone to Longview (Texas) | 785.51 mi (1,264.16 km) |
| Keystone to Longview (Washington) | 2,510.71 mi (4,040.60 km) |
| Keystone to Longwood (Florida) | 85.63 mi (137.81 km) |
| Keystone to Lorain (Ohio) | 919.91 mi (1,480.45 km) |
| Keystone to Lorton (Virginia) | 792.98 mi (1,276.18 km) |
| Keystone to Los Alamitos (California) | 2,126.28 mi (3,421.91 km) |
