| San Juan to Ukiah (California) | 3,678.65 mi (5,920.22 km) |
| San Juan to Union (Missouri) | 2,039.63 mi (3,282.46 km) |
| San Juan to Union City (California) | 3,604.02 mi (5,800.11 km) |
| San Juan to Union City (Georgia) | 1,551.46 mi (2,496.83 km) |
| San Juan to Union City (New Jersey) | 1,616.25 mi (2,601.10 km) |
| San Juan to Union City (Tennessee) | 1,871.83 mi (3,012.42 km) |
| San Juan to Union Hill-Novelty Hill (Washington) | 3,715.68 mi (5,979.80 km) |
| San Juan to Union Park (Florida) | 1,188.92 mi (1,913.39 km) |
| San Juan to Uniondale (New York) | 1,605.58 mi (2,583.93 km) |
| San Juan to Universal City (Texas) | 2,167.66 mi (3,488.51 km) |
| San Juan to University (Florida) | 1,233.90 mi (1,985.78 km) |
| San Juan to University City (Missouri) | 2,020.11 mi (3,251.05 km) |
| San Juan to University Heights (Ohio) | 1,838.50 mi (2,958.78 km) |
| San Juan to University of California-Santa Barbara (California) | 3,465.15 mi (5,576.62 km) |
| San Juan to University Park (Texas) | 2,147.74 mi (3,456.45 km) |
