| Oklahoma City to Ukiah (California) | 1,429.92 mi (2,301.24 km) |
| Oklahoma City to Union (Missouri) | 414.34 mi (666.82 km) |
| Oklahoma City to Union City (California) | 1,364.46 mi (2,195.89 km) |
| Oklahoma City to Union City (Georgia) | 747.86 mi (1,203.57 km) |
| Oklahoma City to Union City (New Jersey) | 1,323.35 mi (2,129.73 km) |
| Oklahoma City to Union City (Tennessee) | 478.01 mi (769.28 km) |
| Oklahoma City to Union Hill-Novelty Hill (Washington) | 1,512.01 mi (2,433.35 km) |
| Oklahoma City to Union Park (Florida) | 1,064.29 mi (1,712.80 km) |
| Oklahoma City to Uniondale (New York) | 1,345.54 mi (2,165.43 km) |
| Oklahoma City to Universal City (Texas) | 411.32 mi (661.96 km) |
| Oklahoma City to University (Florida) | 1,020.68 mi (1,642.62 km) |
| Oklahoma City to University City (Missouri) | 453.24 mi (729.42 km) |
| Oklahoma City to University Heights (Ohio) | 957.31 mi (1,540.65 km) |
| Oklahoma City to University of California-Santa Barbara (California) | 1,264.88 mi (2,035.62 km) |
| Oklahoma City to University Park (Texas) | 185.44 mi (298.44 km) |
