From Longmont or Boulder, take Highway 287 north. Turn left on 4th and the Rialto will be on your left-hand side in the middle of the block. From Fort Collins, take Highway 287 south. Turn left on 4th and the Rialto will be on your right side in the middle of the block. There is plenty of free parking in lots and on the streets in downtown Loveland.
Most parking is within one block of the theater.