The route from Aurangabad, Bihar to Gangtok, Sikkim involves a train journey to New Jalpaiguri (NJP) followed by a scenic drive into the mountains. You will travel from the plains of Bihar through West Bengal before ascending into the Himalayas. The total distance is approximately 600 km. The drive from NJP to Gangtok takes about 4 to 5 hours through the Teesta River valley.
Total Distance: 600 km by road, 450 km air distance.
NJP is the main railhead for Sikkim; book a shared taxi from the station.
March to May or October to mid-December for clear mountain views.