From the WDW Resort, exit to route 192, turn left to I-4 Northbound. Take I-4 to the Sand Lake Road exit (Exit 74A) Turn right. I-Drive (International Drive) is the first street you come to.
Exiting from Epcot Center Drive (536) is slightly different but similar. Take the road East to I-4 and again head North. Distance roughly 6-7 miles, Travel time 7-15 minutes in normal traffic.