If you want to be close to the church and the reception, Connellsville would be your best bet. There are several other hotels in Uniontown, PA if you want to check them out!
Hotel
Comfort Inn Connellsville Riverview
325 North First Street, Connellsville, PA 15425
Closest hotel to both ceremony and reception.
Hotel
Hampton Inn Uniontown
698 West Main St, Uniontown, PA 7245504321
Uniontown is about 30 minutes to the church and about 15 minutes from the reception hall.