TX → MO · about 748 miles
San Marcos to St. Louis train schedule
Amtrak runs 10 direct trains a week from San Marcos to St. Louis. The fastest takes 23 hours 8 minutes; every train leaves at 8:22 AM.
Timetable data from · No schedule changes since at least
- Trains a week
- 10
- Fastest trip
- 23h 08m
- Leaves at
- 8:22 AM
Timetable
Every train leaves from San Marcos Amtrak and arrives at St. Louis. Times are local to each stop. Timetables published by tds.ai, refreshed October 15, 2026. Schedules change, so check times when you book.
| Departs | Arrives | Duration | Days | Rail company |
|---|---|---|---|---|
| 8:22 AM | 7:30 AM +1 day | 23h 08m | Daily | Amtrak Full timetable |
Route map
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Where to board in San Marcos Where you get off in St. Louis The route of the busiest trip
Where to catch the train in San Marcos
- San Marcos Amtrak Map of San Marcos Amtrak (Google Maps)
Where the train stops in St. Louis
- St Louis Bus Station Map of St Louis Bus Station (Google Maps)
Return trip: St. Louis to San Marcos
Questions
How long is the train from San Marcos to St. Louis?
The fastest direct train takes 23 hours 8 minutes; the typical trip is 23 hours 8 minutes.
What time is the first train from San Marcos to St. Louis?
Every departure is at 8:22 AM (Daily).
Which rail companies go from San Marcos to St. Louis?
Amtrak runs direct trains on this route.
Where do I catch the train in San Marcos?
Trains to St. Louis leave from San Marcos Amtrak.