Contacting the nearest Vietnam embassy in a certain city at your most convenience to apply for a Vietnam visa.
Visa application procedure at Vietnam Embassy would require applicants to send off original passport and fill in application form (either in person or by mail). The normal waiting time for processing visa application is around 5 working days (shorter time could be arranged for additional fee).
Unlike applying for a VOA (visa on arrival) where applicants can get a visa pre-approval letter then get actual visa stamped at your arrival airport in Vietnam, the visa stamp will already be stick onto original passport when the embassy send them back to applicants when applying for Vietnam visa through the embassy. That is the reason applicants need to send off original passport to the embassy, but not when applying for a VOA.
The application procedure as well as processing time may vary from one embassy to another. Therefore, if applicants want to apply for Vietnam visa through a Vietnam Embassy, it is highly recommended that applicants contact the nearest embassy to where they are staying in advance to know the correct procedure and required documents to best prepare for visa application and to save your time and cost as well.
No, you could apply for a visa at any Vietnam Embassy which is most convenient for you. However, as it might take up to several working days at least for the embassy to process visa, and during that time you have to part with original passport, some might find it somewhat inconvenient. In this case, you could apply for a VOA as the process only takes 2 working days at most and you could apply from anywhere as long as you have access to the internet.
(*) For information of Vietnam embassy in a certain city, including addresses, phone numbers and email, please click on the relevant city on the list below.