How far is Union Island from Christchurch?
The distance between Christchurch (Christchurch Airport) and Union Island (Union Island Airport) is 8606 miles / 13851 kilometers / 7479 nautical miles.
Christchurch Airport – Union Island Airport
Search flights
Distance from Christchurch to Union Island
There are several ways to calculate the distance from Christchurch to Union Island. Here are two standard methods:
Vincenty's formula (applied above)- 8606.382 miles
- 13850.629 kilometers
- 7478.741 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 8604.317 miles
- 13847.307 kilometers
- 7476.947 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).
How long does it take to fly from Christchurch to Union Island?
The estimated flight time from Christchurch Airport to Union Island Airport is 16 hours and 47 minutes.
What is the time difference between Christchurch and Union Island?
Flight carbon footprint between Christchurch Airport (CHC) and Union Island Airport (UNI)
On average, flying from Christchurch to Union Island generates about 1 088 kg of CO2 per passenger, and 1 088 kilograms equals 2 399 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Christchurch to Union Island
See the map of the shortest flight path between Christchurch Airport (CHC) and Union Island Airport (UNI).
Airport information
| Origin | Christchurch Airport |
|---|---|
| City: | Christchurch |
| Country: | New Zealand  |
| IATA Code: | CHC |
| ICAO Code: | NZCH |
| Coordinates: | 43°29′21″S, 172°31′55″E |
| Destination | Union Island Airport |
|---|---|
| City: | Union Island |
| Country: | Saint Vincent and the Grenadines  |
| IATA Code: | UNI |
| ICAO Code: | TVSU |
| Coordinates: | 12°36′0″N, 61°24′43″W |