| San Juan to University Place (Washington) | 3,732.34 mi (6,006.62 km) |
| San Juan to Upland (California) | 3,338.47 mi (5,372.74 km) |
| San Juan to Upper Arlington (Ohio) | 1,805.31 mi (2,905.36 km) |
| San Juan to Upper Grand Lagoon (Florida) | 1,478.60 mi (2,379.58 km) |
| San Juan to Upper Montclair (New Jersey) | 1,624.13 mi (2,613.78 km) |
| San Juan to Urbana (Illinois) | 1,996.00 mi (3,212.25 km) |
| San Juan to Urbana (Maryland) | 1,595.84 mi (2,568.26 km) |
| San Juan to Urbana (Ohio) | 1,832.70 mi (2,949.45 km) |
| San Juan to Urbandale (Iowa) | 2,288.81 mi (3,683.48 km) |
| San Juan to Utica (New York) | 1,788.42 mi (2,878.18 km) |
| San Juan to Uvalde (Texas) | 2,248.98 mi (3,619.39 km) |
| San Juan to Vacaville (California) | 3,606.45 mi (5,804.02 km) |
| San Juan to Vadnais Heights (Minnesota) | 2,408.49 mi (3,876.09 km) |
| San Juan to Vail (Arizona) | 2,921.27 mi (4,701.33 km) |
| San Juan to Valdosta (Georgia) | 1,378.63 mi (2,218.69 km) |
