A visa costs USD 20 and usually requires three days. You can try to talk them into issuing the visa on the spot, though. A visa costs USD 20 and takes one day to complete. The Vietnamese embassy in Phnom Penh issues visas for USD 55 within one week. Changing the entrance point on a visa should cost USD 10.
Some travel agencies do it faster.
The visa costs USD 20. You probably will have to go through a travel agent. Find your dream vacation at Infohub Reserve your hotel now online with the Planet Holiday, Asia's premier hotel reservation web site since 1997.