| Tomball to Ukiah (California) | 1,680.54 mi (2,704.56 km) |
| Tomball to Union (Missouri) | 633.97 mi (1,020.28 km) |
| Tomball to Union City (California) | 1,594.77 mi (2,566.54 km) |
| Tomball to Union City (Georgia) | 692.05 mi (1,113.75 km) |
| Tomball to Union City (New Jersey) | 1,415.63 mi (2,278.24 km) |
| Tomball to Union City (Tennessee) | 578.93 mi (931.70 km) |
| Tomball to Union Hill-Novelty Hill (Washington) | 1,852.58 mi (2,981.44 km) |
| Tomball to Union Park (Florida) | 872.26 mi (1,403.76 km) |
| Tomball to Uniondale (New York) | 1,435.12 mi (2,309.60 km) |
| Tomball to Universal City (Texas) | 165.43 mi (266.24 km) |
| Tomball to University (Florida) | 807.79 mi (1,300.02 km) |
| Tomball to University City (Missouri) | 664.20 mi (1,068.92 km) |
| Tomball to University Heights (Ohio) | 1,112.23 mi (1,789.97 km) |
| Tomball to University of California-Santa Barbara (California) | 1,443.62 mi (2,323.28 km) |
| Tomball to University Park (Texas) | 202.57 mi (326.00 km) |
