Distance from the Sea:

- Delhi is located in the northern part of India.
- It is landlocked and does not have direct access to the sea.
- The nearest sea to Delhi is the Arabian Sea, which is located on the western coast of India.
- The distance from Delhi to the Arabian Sea is approximately 1,425 kilometers.
- Due to its inland location, Delhi does not experience the moderating influence of the sea, resulting in extreme temperatures during summers and winters.
- The lack of sea breeze also contributes to air pollution in the city.


- Chennai is located on the eastern coast of India, facing the Bay of Bengal.
- It has direct access to the sea, with the Bay of Bengal being just a few kilometers away from the city.
- The proximity to the sea moderates the climate in Chennai, making it relatively cooler compared to inland cities like Delhi.
- The sea breeze also helps in reducing the heat and humidity during the summer months.
- Chennai is known for its beaches, and the sea plays a significant role in the city's economy, with fishing and trade being important industries.

Altitude:

- Kolkata is located in the eastern part of India, specifically in the state of West Bengal.
- It is situated on the banks of the river Hooghly, which is a distributary of the river Ganges.
- Kolkata is a coastal city, with the Bay of Bengal being nearby.
- The altitude of Kolkata is relatively low, with the city being only a few meters above sea level.
- The low altitude contributes to the high humidity and hot weather conditions experienced in the city.
- Kolkata is known for its cultural heritage, historical landmarks, and bustling markets.


- Leh is located in the northernmost part of India, in the region of Ladakh.
- It is situated in the Himalayas and is surrounded by high mountain ranges.
- Leh is at a significantly higher altitude compared to Kolkata, with an average elevation of around 3,500 meters above sea level.
- The high altitude results in a cold and arid climate, with temperatures dropping below freezing point during winters.
- Leh is known for its stunning landscapes, Buddhist monasteries, and adventure tourism, including trekking and mountaineering.

In summary, Delhi is landlocked and located far from the sea, while Chennai is situated on the eastern coast of India with direct access to the Bay of Bengal. Kolkata is a coastal city with a low altitude, whereas Leh is a high-altitude town located in the Himalayas. These geographical factors significantly influence the climate, weather conditions, and overall characteristics of these cities.

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