How far is Oskaloosa, IA from Dubuque, IA?
The driving distance from Oskaloosa, IA to Dubuque, IA is about 172.2 miles (277.1 km), with a travel time of about 02h 49m by car.
- The straight-line flight distance is about 131.5 miles (211.6 km).
- For a round trip, plan for roughly 05h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 02h 49m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Johnson County, Iowa, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Oskaloosa and Dubuque.
Turn-by-Turn Driving Directions
Step-by-step road directions between Oskaloosa and Dubuque.
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1
Start on the route
17 m · 6 sec
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2
Turn right onto A Avenue East
52 m · 7 sec · A Avenue East
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3
Turn right onto North Market Street
11.7 mi · 17 min · North Market Street
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4
Continue on South Main Street
2646 ft · 47 sec · South Main Street
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5
Turn right onto East Market Street
20.7 mi · 31 min · East Market Street
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6
Take the ramp right
1831 ft · 45 sec
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7
Merge slight left
54 mi · 58 min
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8
Take the exit slight right toward IA 1: Mount Vernon
1545 ft · 40 sec
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9
Turn left onto North Dodge Street
1.1 km · 1 min · North Dodge Street
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10
Continue on Highway 1 Northeast
7.5 mi · 10 min · Highway 1 Northeast
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11
Continue on South Market Street
1.4 mi · 2 min · South Market Street
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12
Continue on Highway 1 Northeast
3.2 mi · 4 min · Highway 1 Northeast
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13
Continue on State Highway 1
5.3 mi · 7 min · State Highway 1
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14
Enter the roundabout and take exit 2 toward State Highway 1
40 m · 6 sec · State Highway 1
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15
Exit the roundabout onto State Highway 1
666 ft · 19 sec · State Highway 1
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16
Continue on 1st Avenue South
1.5 mi · 2 min · 1st Avenue South
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17
Continue on State Highway 1
10 mi · 14 min · State Highway 1
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18
Take the ramp right
2423 ft · 1 min
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19
Merge slight left
44.6 mi · 52 min
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20
Keep slight left
5.1 mi · 7 min
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21
Keep slight left
1.1 mi · 1 min
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22
Take the exit slight right toward White Street, Port of Dubuque
1432 ft · 32 sec
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23
Continue on White Street
638 ft · 27 sec · White Street
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24
Turn left onto East 7th Street
87 m · 20 sec · East 7th Street
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25
Turn left onto Central Avenue
10 m · 1 sec · Central Avenue
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26
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Oskaloosa and Dubuque.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
East Market Street
Merge slight left
54 mi · 00h 59m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Oskaloosa and Sunny near Dubuque.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Oskaloosa to Dubuque?
The road trip is about 172.2 miles (277.1 km) and usually takes 02h 49m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Coralville is a useful midpoint, sitting about 84.4 miles from Oskaloosa and 87.7 miles from Dubuque.
How much longer is the road route than the straight-line distance?
The direct path is about 131.5 miles (211.6 km), while the road route adds roughly 40.7 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 12:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.93 one way or $45.86 round trip. Estimated CO2 is about 54 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Oskaloosa and Sunny near Dubuque.
Stop Ideas Near Coralville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Coralville.
Mount Pleasant
Davenport, Iowa
Rock Island, IL
Moline, Illinois
Flight Path Map
This map shows the direct air route between Oskaloosa and Dubuque. Straight-line distance: 131.48 mi (211.6 km).
#1 Oskaloosa
City in and the county seat of Mahaska County, Iowa, United States
| Population | 11,803 |
| Coordinates | 41.2963900, -92.6443600 |
| Altitude | 256 |
| Country | United States |
#2 Dubuque
The most populous city in Dubuque County, Iowa.
| Population | 57,781 |
| Coordinates | 42.5005600, -90.6645700 |
| Altitude | 189 |
| Country | United States |
End: Central Avenue (-90.664595, 42.500561)
Estimated Travel Time
Distance: 277 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 44m |
| 40 mph (64.37 km/h) | 04h 18m |
| 50 mph (80.47 km/h) | 03h 26m |
| 60 mph (96.56 km/h) | 02h 52m |
| 70 mph (112.65 km/h) | 02h 27m |
| 80 mph (129 km/h) | 02h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $22.93 | $45.86 |
| Mid-grade | $4.25 | $25.86 | $51.72 |
| Premium | $4.65 | $28.30 | $56.59 |
| Diesel | $5.30 | $32.25 | $64.50 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Iowa · Jun 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.