Heading South on I-15 Exit I-15 at Sage Junction onto Hwy 33, which brings you directly onto Main Street of Rexburg. Approximate distance is 21 miles.
Heading North on I-15 From I-15 in Idaho Falls, take exit 119 to US 20, heading toward Rigby and West Yellowstone. After approximately 25 miles, exit US 20 at the South Rexburg/BYU–Idaho exit and turn right. At the light, continue on University Blvd.
From the Idaho Falls Airport As you exit the Idaho Falls Airport, turn left at the first stop light which puts you directly onto US 20 (see above instructions).