Sherpa eVisa Help by Destination Vietnam Can I enter Vietnam more than once with my eVisa? Amara January 30, 2021 08:51 A Vietnam eVisa is valid for a single entry for 30 days from your arrival date. Related articles I'm trying to check in to my flight. Where is my eVisa number? How long does it take for the Vietnamese eVisa to be approved? When should I apply for the Bahrain eVisa? My travel date changed, what do I do? I need help! How do I contact Sherpa?