If there are changes in your route, make sure you always have enough time to walk from one platform to the other and never forget the possibility of delay that could make you miss the second train.
For short distances like between Chachoengsao and Bangkok, busses and carpooling are good alternatives to the train, thanks to their low costs. Also, busses have the advantage of getting to the smallest towns where the is no train station.
In which stations can you take the train to Bangkok and where will you arrive?
The trains to Bangkok can leave from Chachoengsao Junction or บางเตย and arrive at Makkasan or กรุงเทพ.
How long will it take you from Chachoengsao to Bangkok by train and when do the trains leave?
The first train to Bangkok leaves at 05:05, whereas the last one at 18:05. On average, the journey lasts 1 hour and 35 minutes, but with the fastest connections you will be in Bangkok in 1 hour and 17 minutes.