# Distance between St Louis, MO (STL) and Hamilton (YHM)

Flight distance from St Louis to Hamilton (St. Louis Lambert International Airport – John C. Munro Hamilton International Airport) is 625 miles / 1005 kilometers / 543 nautical miles. Estimated flight time is 1 hour 40 minutes.

Driving distance from St Louis (STL) to Hamilton (YHM) is 718 miles / 1155 kilometers and travel time by car is about 13 hours 10 minutes.

## Map of flight path and driving directions from St Louis to Hamilton.

Shortest flight path between St. Louis Lambert International Airport (STL) and John C. Munro Hamilton International Airport (YHM).

## How far is Hamilton from St Louis?

There are several ways to calculate distances between St Louis and Hamilton. Here are two common methods:

Vincenty's formula (applied above)
• 624.781 miles
• 1005.488 kilometers
• 542.920 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
• 623.758 miles
• 1003.841 kilometers
• 542.031 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 St. Louis Lambert International Airport
City: St Louis, MO
Country: United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

B John C. Munro Hamilton International Airport
City: Hamilton
IATA Code: YHM
ICAO Code: CYHM
Coordinates: 43°10′24″N, 79°56′5″W

## Time difference and current local times

The time difference between St Louis and Hamilton is 1 hour. Hamilton is 1 hour ahead of St Louis.

CST

EST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 116 kg (255 pounds).

## Frequent Flyer Miles Calculator

St Louis (STL) → Hamilton (YHM).

Distance:
625
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
625

Round trip?