Kalla clocked a time of 40min 44.9sec to triumph by a margin of 7.8 seconds over Norway's Marit Bjørgen, who beat her to the gold medal in the same event at Sochi 2014.
Norway's Marit Bjørgen took silver, 7.8 seconds back, to become the most decorated female winter Olympian of all time while Finland's Krista Parmakoski clinched bronze, 10.1 seconds behind the victor.
The PyeongChang Organising Committee has lined up a spectacular calendar of artistic and musical performances at the Medals Plaza. With her win, Bjoergen became the most decorated female Winter Olympian ever.
Saturday's games at the Pyeongchang Winter Olympics feature the first match of the joint North-South Korean women's ice hockey team, as diplomacy takes center stage at the start of the games.
In addition to witnessing Winter Olympians receiving their hard-won medals, fans can easily access the Superstore, where they can purchase official goods after checking out the Olympic cauldron and trying VR technology. "It is my fifth Olympics and still to be there, I am happy with that". Third came Finland's Krista Parmakoski.
Bjørgen's runners-up finish secured her an 11th Olympic medal, setting a record for women in any sport at the Winter Olympics.
In one of the most physically testing events in the Olympics, Kalla broke away from the pack after about 34 minutes.
In ski jumping, Poland's Kamil Stoch was second in men's normal hill qualification and goes into Saturday's final with a strong chance of claiming gold, to add to his two from Sochi in 2014.