It is located about 130 kilometres (80 mi) from the Helsinki Central railway station.
There is also a bus terminal by the station and together they form a travel centre.
There is traffic to four directions: to Helsinki via Lahti, to Kotka, to Pieksämäki and Kuopio via Mikkeli, and to Luumäki, after which the track forks to two directions: to Joensuu via Lappeenranta, or to Russia via the Vainikkala border control station.
The travel time on high speed train between Kouvola and St. Petersburg is approximately 2 hours 15 minutes.
The service was completely suspended in 2022 due to Russian invasion of Ukraine.