Hello, I just got back from suvannakhet. I would recommend people stay in the area of pilgrims kitchen and inn. I stayed at the Avalon and it was a 2 kilometer walk to the good restaurants. The soi dogs are very aggressive after dark.
TLDR : Answer Summary
The user recommends staying in the area around Pilgrims Kitchen and Inn while in Suvannakhet. They mentioned that they stayed at the Avalon, which was a 2-kilometer walk from good restaurants. They also caution that soi dogs can be aggressive after dark.