(GMT)13 OCT 2016 TJIU3S:
From Bangkok to Chiang Mai.
The train ride from Bangkok takes about 12-15 hours and costs you 150-200B for a seat or 500-600B for a sleeper berth, depending on which train you catch. Some of the trains have air-conditioned sleeper berths.
More info on train connections can be found at the link below.
The train station is also around 3km from the city centre, in Charoenmuang Road, and a songthaew to the city should cost you around Some people even opt to get there by bus