When in the train car with the cows, straw is called hay. They are not the same thing. Hay is dried and baled grass while straw is the stalks of harvested cereal grasses such as wheat, oats, rye etc.
When making train reservation it is said that the train stops in Boulder. If they were referring to Boulder, Colorado, there isn't a passenger train that goes to Boulder.
All of the cars at the Ohio airport have the same style of Ohio license plates. This style was about 20 years out of date at the time of filming.
Since they were traveling through Canada pretending to be Missouri they would not be in Nebraska unless they wanted to take the very long way to Colorado. They would be going through Kansas. Too bad Hallmark writers don't know do to any fact checking. (Also no mountains in 'let's pretend they are in Nebraska either).