Inter will face Valencia in their penultimate preseason friendly ahead of the 2019-20 season, according to Corriere dello Sport.
The game will take place either on 10 or 11 August at the Stadio Mestalla, with the new Serie A campaign due to get underway two weeks later.
Inter will travel to Asia for fixtures against Manchester United and Juventus in the 2019 International Champions Cup, before completing their tournament with a match against Tottenham in London.
Valencia finished fourth in La Liga last season and secured Champions League football for the second year runnng, just like the Nerazzurri.
Inter are also due to face Paris Saint-Germain in the middle of their ICC commitments, as new head coach Antonio Conte seeks the sternest preparation possible ahead of the new season.
Preseason training will begin on 8 July when the team head to Lugano and Conte hopes to have as many summer signings as possible in place before then.