The journey from Kulamavu to Mumbai covers about 1400 km. The most practical way is to take a bus to Ernakulam and then a train to Mumbai. The train journey takes about 24 to 30 hours. This is a long journey, so plan accordingly.
Total Distance: Driving distance is 1400 km; straight-line air distance is 1100 km.
Book your train tickets well in advance.
November to February is the best time to visit Mumbai.