nonadjacent

/ˌnɑnəˈdʒeɪsənt/
adjective
  1. Not next to or directly beside something else.
    • In the seating chart, nonadjacent seats were assigned to people who didn't want to sit together.
    • The two nonadjacent houses on the street were separated by three other buildings.
    • The nonadjacent cells in the spreadsheet were not next to each other, making the formula more complex.