Operated by Air Canada's Boeing 777 aircraft as AC43 with a block time of 16 hrs 45 mins.

10. Delhi (DEL) - Toronto (YYZ)

Air India also flies on the DEL-YYZ route, which covers around 11,661 kilometres.

Operated by American's Boeing 777-300ER aircraft as AA293 with a block time of 16 hrs 55 mins.

9. Delhi (DEL) - New York (JFK)

Air India flies its brand new Airbus A350 on this route, which is approximately 11,776 kiilometres long.

Operated by United's Boeing 787-9 aircraft twice daily with a block time of 16 hrs 55 mins.

8. Delhi (DEL) - Newark (EWR)

Air India also operates double daily services on this 11,785-kilometre trip.

Operated by Air India's Boeing 777-300ER aircraft with a block time of 15 hrs 25 mins.

7. Delhi (DEL) - Chicago (ORD)

Air India exclusively flies this daily route, covering a length of 12,043 kilometres.

Operated by Air India's Boeing 777-200LR aircraft with a block time of 15 hrs 50 mins.

6. Delhi (DEL) - Washington (IAD)

AI103 covers 12,073 kilometres on the only flight between India and USA's capital.

- Exclusively by Aviation A2Z

Check out the top five longest airline routes from India.