| Rio Rico to Ukiah (California) | 867.06 mi (1,395.40 km) |
| Rio Rico to Union (Missouri) | 1,226.30 mi (1,973.55 km) |
| Rio Rico to Union City (California) | 755.48 mi (1,215.82 km) |
| Rio Rico to Union City (Georgia) | 1,541.76 mi (2,481.22 km) |
| Rio Rico to Union City (New Jersey) | 2,141.70 mi (3,446.73 km) |
| Rio Rico to Union City (Tennessee) | 1,299.50 mi (2,091.34 km) |
| Rio Rico to Union Hill-Novelty Hill (Washington) | 1,260.29 mi (2,028.24 km) |
| Rio Rico to Union Park (Florida) | 1,785.78 mi (2,873.93 km) |
| Rio Rico to Uniondale (New York) | 2,164.19 mi (3,482.93 km) |
| Rio Rico to Universal City (Texas) | 766.14 mi (1,232.99 km) |
| Rio Rico to University (Florida) | 1,723.60 mi (2,773.87 km) |
| Rio Rico to University City (Missouri) | 1,265.02 mi (2,035.85 km) |
| Rio Rico to University Heights (Ohio) | 1,764.82 mi (2,840.20 km) |
| Rio Rico to University of California-Santa Barbara (California) | 552.04 mi (888.42 km) |
| Rio Rico to University Park (Texas) | 834.78 mi (1,343.45 km) |
