The average train between Castle Cary and The O2 takes 2h 16m and the fastest train takes 1h 55m. The train service runs several times per day from Castle Cary to The O2. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 2 hours between Castle Cary and The O2. The earliest departure is at 6:41 AM in the morning, and the last departure from Castle Cary is at 8:43 PM which arrives into The O2 at 10:59 PM. All services require a transfer at London Paddington and take an average of 2h 16m. The schedules shown below are for the next available departures.


2h 27m • 2 changes


2h 27m • 2 changes


2h 17m • 2 changes


2h 11m • 2 changes


2h 27m • 2 changes


2h 27m • 2 changes


2h 17m • 2 changes


2h 11m • 2 changes


2h 27m • 2 changes


2h 27m • 2 changes


2h 17m • 2 changes


2h 11m • 2 changes


2h 27m • 2 changes


2h 27m • 2 changes


2h 17m • 2 changes


2h 11m • 2 changes
Want to know about travelling from Castle Cary to The O2? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Castle Cary to The O2. However, there are services departing from Castle Cary station and arriving at The O2 station via London Paddington. The journey, including transfers, takes approximately 2h 16m.
Castle Cary to The O2 train services, operated by Great Western Railway (GWR), depart from Castle Cary station.
Castle Cary to The O2 train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
The distance between Castle Cary and The O2 is 181 km. The road distance is 199 km.
Great Western Railway (GWR) operates a train from Castle Cary to London Paddington every 3 hours. Tickets cost £50–95 and the journey takes 1h 41m.