The five-time Ballon d’Or winner, 37, was announced on Friday as the Riyadh club’s superstar signing having agreed on terms on a two-and-a-half-year contract.
Ronaldo, who touched down with his family in the Saudi capital late on Monday
Ronaldo will undergo a medical and complete all formalities on Tuesday before being introduced to fans at Nassr’s Mrsool Park later that evening.
A fan holds a jersey bearing the name of Portugal star Cristiano Ronaldo and his famous number 7, at the Al Nassr FC shop in Riyadh
Ronaldo has signed a deal with the Saudi club in a deal believed to be worth more than $200 million.
Ronaldo had only days previously left United – his second stint at the English side – following a controversial interview with Piers Morgan in which he criticised the club.