| Keystone to Ukiah (California) | 2,434.08 mi (3,917.27 km) |
| Keystone to Union (Missouri) | 860.65 mi (1,385.08 km) |
| Keystone to Union City (California) | 2,360.45 mi (3,798.77 km) |
| Keystone to Union City (Georgia) | 394.98 mi (635.65 km) |
| Keystone to Union City (New Jersey) | 999.04 mi (1,607.80 km) |
| Keystone to Union City (Tennessee) | 685.41 mi (1,103.05 km) |
| Keystone to Union Hill-Novelty Hill (Washington) | 2,499.32 mi (4,022.27 km) |
| Keystone to Union Park (Florida) | 88.23 mi (141.99 km) |
| Keystone to Uniondale (New York) | 1,008.44 mi (1,622.92 km) |
| Keystone to Universal City (Texas) | 954.98 mi (1,536.89 km) |
| Keystone to University (Florida) | 10.81 mi (17.39 km) |
| Keystone to University City (Missouri) | 852.82 mi (1,372.48 km) |
| Keystone to University Heights (Ohio) | 925.29 mi (1,489.11 km) |
| Keystone to University of California-Santa Barbara (California) | 2,229.74 mi (3,588.42 km) |
| Keystone to University Park (Texas) | 904.83 mi (1,456.18 km) |
