How far is Johnston, IA from Dubuque, IA?
Distance by Flight
Shortest distance between Johnston and Dubuque is 165.69 miles (266.66 km).
Flight distance from Johnston, IA to Dubuque, IA is 165.69 miles. Estimated flight time is 00 hours 23 minutes.
It takes 00 hours 21 minutes to travel from Johnston to Dubuque with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Johnston, Iowa to Dubuque, Iowa is: 195.76 miles (315.05 km) by car.
Driving from Johnston to Dubuque will take approximately 03 hours 12 minutes.
#1 Johnston
City in Iowa, United States
| Population | 23092 |
|---|---|
| GPS Coordinates | 41°40'23"N 93°41'52"W |
| Latitude | 41.6730400 |
| Longitude | -93.6977200 |
| Altitude | 253 |
| Country | United States |
#2 Dubuque
The most populous city in Dubuque County, Iowa. It is located on the Mississippi River in northeastern Iowa. Dubuque is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Dubuque Museum of Art and the Dubuque Historical Society.
| Population | 57781 |
|---|---|
| GPS Coordinates | 42°30'2"N 90°39'52"W |
| Latitude | 42.5005600 |
| Longitude | -90.6645700 |
| Altitude | 189 |
| Country | United States |
Ending point in Dubuque: Central Avenue (-90.664595,42.500561)
Estimated Travel Time Between Johnston and Dubuque
The distance between Johnston and Dubuque is 315 km if you choose to drive by road. You can go 03 hours 30 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between Johnston and Dubuque. The current time is 23:05:25.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 06 hours 31 minutes |
| 40 mph (64.37 km/h) | 04 hours 53 minutes |
| 50 mph (80.47 km/h) | 03 hours 54 minutes |
| 60 mph (96.56 km/h) | 03 hours 15 minutes |
| 70 mph (112.65 km/h) | 02 hours 47 minutes |
| 75 mph (120.7 km/h) | 02 hours 36 minutes |
| 80 mph (128.75 km/h) | 02 hours 26 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 26.15 liters (6.91 gallon) of gas to cover the route between Johnston and Dubuque.
The estimated cost of gas to go from Johnston to Dubuque is $22.69 (diesel $32.11).
Iowa gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.29 | $3.6 | $4.06 | $4.65 |
| Total | $22.69 | $24.85 | $28.07 | $32.11 |
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price (in Iowa ) per gallon of daily gas for calculations is $3.285 (Diesel $4.648) /gallon. Last changed prices on April 25, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Johnston and Dubuque (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
