THE SHORT VERSION
Khon Kaen to Ayutthaya at a glance.
- From
- Khon Kaen ขอนแก่น
- To
- Ayutthaya พระนครศรีอยุธยา
- Road distance
- About 402 km
- Straight line
- 335 km
- Car time, no stops
- ~5 h buses take longer
- Return route
- Ayutthaya to Khon Kaen →
THE DETAILS THAT MAKE A DIFFERENCE
Right place. Right bus. Better start.
Leaving Khon Kaen
Khon Kaen is a major city in north-east Thailand (Isan), on the main road and rail line to Laos. Long-distance buses run to Bangkok and across Isan.
- Khon Kaen bus terminals
Several terminals; long-distance services use the newer terminal outside the centre.
Arriving in Ayutthaya
Rent a bicycle or hire a tuk-tuk to see the temples.
- Ayutthaya minivan and bus stops
Minivans from Bangkok stop near the historic island; long-distance buses use a terminal east of the river.
Keep the essentials offline
Save your ticket, the exact meeting point and the operator's phone number before you set off. Follow the check-in time on your confirmation.
- Long-distance buses may drop you on the highway outside town. Check where yours stops.
KEEP GOING
From Ayutthaya, the road continues.
Other ways to reach Ayutthaya
More buses from Khon Kaen
USEFUL FOR THIS TRIP
Sort the small things before you go.
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GOOD QUESTIONS
Before you take your seat.
How far is Khon Kaen from Ayutthaya by road?+
About 402 km by road (335 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Khon Kaen to Ayutthaya take?+
We don't publish timetables. As a guide, the drive takes roughly 5 h by car without stops; bus journeys are usually longer. Check the duration of your chosen departure on 12Go before booking.
Where does the bus leave from in Khon Kaen?+
It depends on the operator. Main options in Khon Kaen include Khon Kaen bus terminals, and many tourist companies collect from offices or hotels. Your ticket shows the exact boarding point.
Is there a bus back from Ayutthaya to Khon Kaen?+
Yes, 12Go also lists services in the opposite direction. See our Ayutthaya to Khon Kaen guide.
Where does the bus from Khon Kaen arrive in Ayutthaya?+
It depends on the operator. In Ayutthaya, services use Ayutthaya minivan and bus stops. Rent a bicycle or hire a tuk-tuk to see the temples.
How do I get from the bus stop to the centre of Ayutthaya?+
Rent a bicycle or hire a tuk-tuk to see the temples.
What kind of bus runs from Khon Kaen to Ayutthaya?+
It varies by operator and departure. Routes in this region are served by a mix of sleeper buses, seated coaches and smaller limousine vans. Check the vehicle type, seat layout and luggage allowance for your departure on 12Go before you book.
Can I book the Khon Kaen to Ayutthaya bus online?+
Yes. 12Go lists departures on this route. You choose a date, compare operators and pay online, and the provider issues the ticket. BusConnects doesn't sell tickets itself.
Where can I go next from Ayutthaya by bus?+
Direct buses from Ayutthaya include Don Mueang Airport (DMK), Bangkok, Nakhon Ratchasima (Korat), Phitsanulok, Sukhothai and more. See all connections on our Ayutthaya bus page.
FOLLOW THE INFORMATION
Clear sources. Better decisions.
Route listed in 12Go's public route index (checked 2026-10-09). Station information reviewed 2026-10-09. Distance: OpenStreetMap data via OSRM (approximate driving distance). Listings change and are not live inventory. Confirm the departure, pickup, price and conditions before paying.
12Go: Khon Kaen to Ayutthaya bus route listing ↗Wikivoyage: Khon Kaen (Get in) ↗Wikivoyage: Ayutthaya (Get in) ↗How BusConnects uses sources →