How did she discover how to hide her red wings? Horsemen don't normally seem to have the capability of appearing like a Messenger.
Geography
So apparently this is a different America, since a person leaving New Mexico sees a sign that says Houston: 333 Miles El Paso: 460 miles San Antonio: 755 miles. Note: There's no place in the country (including standing in the Gulf of Mexico) where you could have a valid sign like that).