| Slidell to Ukiah (California) | 1,981.73 mi (3,189.28 km) |
| Slidell to Union (Missouri) | 567.39 mi (913.12 km) |
| Slidell to Union City (California) | 1,905.15 mi (3,066.04 km) |
| Slidell to Union City (Georgia) | 381.78 mi (614.41 km) |
| Slidell to Union City (New Jersey) | 1,140.77 mi (1,835.90 km) |
| Slidell to Union City (Tennessee) | 426.21 mi (685.92 km) |
| Slidell to Union Hill-Novelty Hill (Washington) | 2,083.86 mi (3,353.65 km) |
| Slidell to Union Park (Florida) | 527.81 mi (849.44 km) |
| Slidell to Uniondale (New York) | 1,157.86 mi (1,863.40 km) |
| Slidell to Universal City (Texas) | 512.90 mi (825.43 km) |
| Slidell to University (Florida) | 468.81 mi (754.48 km) |
| Slidell to University City (Missouri) | 579.63 mi (932.83 km) |
| Slidell to University Heights (Ohio) | 900.41 mi (1,449.08 km) |
| Slidell to University of California-Santa Barbara (California) | 1,771.74 mi (2,851.34 km) |
| Slidell to University Park (Texas) | 448.94 mi (722.50 km) |
