Depending on the route selected, the distance between Delhi and Chennai is between 1,750 to 2,200 kilometers (1,087 to 1,367 miles). The most prevalent ways of transit between these two cities are air, train, and road, as mentioned in the preceding comment.
By Air:
A flight is the quickest way to travel between Delhi and Chennai. The major airports serving these cities are Indira Gandhi International Airport (DEL) in Delhi and Chennai International Airport (MAA) in Chennai. The flight time is usually between 2.5 and 3.5 hours.
By Train:
There are a number of trains that run between Delhi and Chennai, including express and superfast trains. Depending on the train and route, the train travel usually takes between 24 and 30 hours.
By Road:
If you want to go by automobile, the National Highway 44 (NH44) that connects Delhi and Chennai is an option. The road trip might take anywhere from 30 to 35 hours, depending on traffic and stops along the route.
Please keep in mind that journey times can vary depending on factors such as method of transportation, traffic, weather, and route taken. Before planning your vacation, verify the most recent schedules and availability.