The driving time from Gangtok to Lachen via TSONGMO LAKE, Nathula Lake is 5 hours 9 minutes by road. You can also find other options to travel from Gangtok to Lachen via TSONGMO LAKE, Nathula Lake like bus, subway, tram, train and rail. To know the travel distances while planning a journey, find the
Distance from Gangtok to Lachen via TSONGMO LAKE, Nathula Lake!