If you don't feel like spending many hours in a train, you can consider travelling by plane. Especially if you have the possibility to book in advance, flying to Dallas, TX can be definitely cheap.
In which stations can you take the train to Dallas, TX and where will you arrive?
The trains to Dallas, TX will leave from San Diego, CA and will arrive at Dallas, TX.
How long will it take you from San Diego, CA to Dallas, TX by train and when do the trains leave?
On average, it takes 46 hours and 30 minutes to get to Dallas, TX by train, but you will need 45 hours and 15 minutes with the fastest trains. The first one is available at 13:10, whereas the last one leaves San Diego, CA at 16:10.