Plane
You will need to fly into the Daniel K. Inouye International Airport (HNL).
Distance from airport to conference venue is ~8 miles
In Honolulu, the time that it takes to cover the 8 miles will vary depending on the time of day.
In traffic ~30 minutes
No traffic ~10 minutes
Shortest distance from conference venue to Waikiki is ~2.5 but will depend on where you are headed.