Air Miles Calculator logo

How far is Dubuque, IA, from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and Dubuque (Dubuque Regional Airport) is 253 miles / 407 kilometers / 220 nautical miles.

The driving distance from St Louis (STL) to Dubuque (DBQ) is 337 miles / 542 kilometers, and travel time by car is about 6 hours 20 minutes.

St. Louis Lambert International Airport – Dubuque Regional Airport

Distance arrow
253
Miles
Distance arrow
407
Kilometers
Distance arrow
220
Nautical miles

Search flights

Distance from St Louis to Dubuque

There are several ways to calculate the distance from St Louis to Dubuque. Here are two standard methods:

Vincenty's formula (applied above)
  • 252.712 miles
  • 406.700 kilometers
  • 219.600 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
  • 253.046 miles
  • 407.239 kilometers
  • 219.891 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 St Louis to Dubuque?

The estimated flight time from St. Louis Lambert International Airport to Dubuque Regional Airport is 58 minutes.

What is the time difference between St Louis and Dubuque?

There is no time difference between St Louis and Dubuque.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Dubuque Regional Airport (DBQ)

On average, flying from St Louis to Dubuque generates about 62 kg of CO2 per passenger, and 62 kilograms equals 137 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St Louis to Dubuque

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Dubuque Regional Airport (DBQ).

Airport information

Origin St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W
Destination Dubuque Regional Airport
City: Dubuque, IA
Country: United States Flag of United States
IATA Code: DBQ
ICAO Code: KDBQ
Coordinates: 42°24′7″N, 90°42′34″W