| Johnston to Ukiah (California) | 1,553.37 mi (2,499.92 km) |
| Johnston to Union (Missouri) | 267.00 mi (429.69 km) |
| Johnston to Union City (California) | 1,524.41 mi (2,453.30 km) |
| Johnston to Union City (Georgia) | 750.19 mi (1,207.31 km) |
| Johnston to Union City (New Jersey) | 1,022.97 mi (1,646.32 km) |
| Johnston to Union City (Tennessee) | 441.69 mi (710.83 km) |
| Johnston to Union Hill-Novelty Hill (Washington) | 1,441.54 mi (2,319.93 km) |
| Johnston to Union Park (Florida) | 1,146.43 mi (1,845.01 km) |
| Johnston to Uniondale (New York) | 1,046.13 mi (1,683.59 km) |
| Johnston to Universal City (Texas) | 876.98 mi (1,411.36 km) |
| Johnston to University (Florida) | 1,135.37 mi (1,827.19 km) |
| Johnston to University City (Missouri) | 275.19 mi (442.87 km) |
| Johnston to University Heights (Ohio) | 629.44 mi (1,012.98 km) |
| Johnston to University of California-Santa Barbara (California) | 1,501.05 mi (2,415.71 km) |
| Johnston to University Park (Texas) | 633.59 mi (1,019.66 km) |
