| Flagstaff to Ukiah (California) | 693.67 mi (1,116.35 km) |
| Flagstaff to Union (Missouri) | 1,160.31 mi (1,867.33 km) |
| Flagstaff to Union City (California) | 601.57 mi (968.13 km) |
| Flagstaff to Union City (Georgia) | 1,541.83 mi (2,481.34 km) |
| Flagstaff to Union City (New Jersey) | 2,066.83 mi (3,326.24 km) |
| Flagstaff to Union City (Tennessee) | 1,264.82 mi (2,035.52 km) |
| Flagstaff to Union Hill-Novelty Hill (Washington) | 1,015.60 mi (1,634.45 km) |
| Flagstaff to Union Park (Florida) | 1,832.64 mi (2,949.36 km) |
| Flagstaff to Uniondale (New York) | 2,089.83 mi (3,363.26 km) |
| Flagstaff to Universal City (Texas) | 867.89 mi (1,396.73 km) |
| Flagstaff to University (Florida) | 1,778.57 mi (2,862.34 km) |
| Flagstaff to University City (Missouri) | 1,197.23 mi (1,926.76 km) |
| Flagstaff to University Heights (Ohio) | 1,678.21 mi (2,700.81 km) |
| Flagstaff to University of California-Santa Barbara (California) | 470.25 mi (756.79 km) |
| Flagstaff to University Park (Texas) | 863.39 mi (1,389.48 km) |
