# Distance between Hat Yai (HDY) and Hanoi (HAN)

Flight distance from Hat Yai to Hanoi (Hat Yai International Airport – Noi Bai International Airport) is 1047 miles / 1685 kilometers / 910 nautical miles. Estimated flight time is 2 hours 28 minutes.

Driving distance from Hat Yai (HDY) to Hanoi (HAN) is 1443 miles / 2323 kilometers and travel time by car is about 27 hours 41 minutes.

## Map of flight path and driving directions from Hat Yai to Hanoi.

Shortest flight path between Hat Yai International Airport (HDY) and Noi Bai International Airport (HAN).

## How far is Hanoi from Hat Yai?

There are several ways to calculate distances between Hat Yai and Hanoi. Here are two common methods:

**Vincenty's formula**(applied above)

- 1046.967 miles
- 1684.930 kilometers
- 909.790 nautical miles

*Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.*

**Haversine formula**

- 1051.384 miles
- 1692.039 kilometers
- 913.628 nautical miles

*The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).*

## Airport information

A | Hat Yai International Airport |
---|---|

City: | Hat Yai |

Country: | Thailand |

IATA Code: | HDY |

ICAO Code: | VTSS |

Coordinates: | 6°55′59″N, 100°23′34″E |

B | Noi Bai International Airport |
---|---|

City: | Hanoi |

Country: | Vietnam |

IATA Code: | HAN |

ICAO Code: | VVNB |

Coordinates: | 21°13′16″N, 105°48′25″E |

## Time difference and current local times

There is no time difference between Hat Yai and Hanoi.

### Time Difference

### Hat Yai

### Hanoi

## Carbon dioxide emissions

Estimated CO_{2} emissions per passenger is 154 kg (339 pounds).

## Frequent Flyer Miles Calculator

Hat Yai (HDY) → Hanoi (HAN).

### In total

Round trip?