| San Carlos Park to Ukiah (California) | 2,532.59 mi (4,075.81 km) |
| San Carlos Park to Union (Missouri) | 983.25 mi (1,582.39 km) |
| San Carlos Park to Union City (California) | 2,455.61 mi (3,951.91 km) |
| San Carlos Park to Union City (Georgia) | 518.38 mi (834.25 km) |
| San Carlos Park to Union City (New Jersey) | 1,083.14 mi (1,743.14 km) |
| San Carlos Park to Union City (Tennessee) | 808.16 mi (1,300.61 km) |
| San Carlos Park to Union Hill-Novelty Hill (Washington) | 2,613.41 mi (4,205.88 km) |
| San Carlos Park to Union Park (Florida) | 148.72 mi (239.33 km) |
| San Carlos Park to Uniondale (New York) | 1,090.61 mi (1,755.16 km) |
| San Carlos Park to Universal City (Texas) | 1,026.97 mi (1,652.75 km) |
| San Carlos Park to University (Florida) | 116.85 mi (188.04 km) |
| San Carlos Park to University City (Missouri) | 976.09 mi (1,570.86 km) |
| San Carlos Park to University Heights (Ohio) | 1,037.79 mi (1,670.16 km) |
| San Carlos Park to University of California-Santa Barbara (California) | 2,316.84 mi (3,728.59 km) |
| San Carlos Park to University Park (Texas) | 999.72 mi (1,608.90 km) |
