How far is Knoxville, IA from Dubuque, IA?
The driving distance from Knoxville, IA to Dubuque, IA is about 194.6 miles (313.2 km), with a travel time of about 03h 05m by car.
- The straight-line flight distance is about 149.8 miles (241.1 km).
- For a round trip, plan for roughly 06h 10m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 05m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Knoxville and Dubuque.
Turn-by-Turn Driving Directions
Step-by-step road directions between Knoxville and Dubuque.
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1
Start on North Lincoln Street
1.1 mi · 2 min · North Lincoln Street
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2
Continue on State Highway 14
12.5 mi · 19 min · State Highway 14
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3
Continue on South Monroe Street
1.6 km · 1 min · South Monroe Street
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4
Continue on State Highway 14
10.8 mi · 16 min · State Highway 14
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5
Take the ramp right
1686 ft · 41 sec
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6
Merge slight left
81.4 mi · 1 hr 28 min
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7
Take the exit slight right toward IA 1: Mount Vernon
1545 ft · 40 sec
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8
Turn left onto North Dodge Street
1.1 km · 1 min · North Dodge Street
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9
Continue on Highway 1 Northeast
7.5 mi · 10 min · Highway 1 Northeast
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10
Continue on South Market Street
1.4 mi · 2 min · South Market Street
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11
Continue on Highway 1 Northeast
3.2 mi · 4 min · Highway 1 Northeast
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12
Continue on State Highway 1
5.3 mi · 7 min · State Highway 1
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13
Enter the roundabout and take exit 2 toward State Highway 1
40 m · 6 sec · State Highway 1
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14
Exit the roundabout onto State Highway 1
666 ft · 19 sec · State Highway 1
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15
Continue on 1st Avenue South
1.5 mi · 2 min · 1st Avenue South
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16
Continue on State Highway 1
10 mi · 14 min · State Highway 1
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17
Take the ramp right
2423 ft · 1 min
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18
Merge slight left
44.6 mi · 52 min
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19
Keep slight left
5.1 mi · 7 min
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20
Keep slight left
1.1 mi · 1 min
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21
Take the exit slight right toward White Street, Port of Dubuque
1432 ft · 32 sec
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22
Continue on White Street
638 ft · 27 sec · White Street
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23
Turn left onto East 7th Street
87 m · 20 sec · East 7th Street
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24
Turn left onto Central Avenue
10 m · 1 sec · Central Avenue
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25
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Knoxville and Dubuque.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
State Highway 14
Merge slight left
81.4 mi · 01h 28m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Knoxville and Sunny near Dubuque.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Knoxville to Dubuque?
The road trip is about 194.6 miles (313.2 km) and usually takes 03h 05m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Oxford is a useful midpoint, sitting about 94.3 miles from Knoxville and 100.2 miles from Dubuque.
How much longer is the road route than the straight-line distance?
The direct path is about 149.8 miles (241.1 km), while the road route adds roughly 44.8 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:50 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.91 one way or $51.81 round trip. Estimated CO2 is about 61.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Knoxville and Sunny near Dubuque.
Stop Ideas Near Oxford
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 Oxford.
Mount Pleasant
Ottumwa station
Davenport, Iowa
Rock Island, IL
Flight Path Map
This map shows the direct air route between Knoxville and Dubuque. Straight-line distance: 149.81 mi (241.1 km).
#1 Knoxville
City in and seat of Marion County, Iowa, United States
| Population | 7,082 |
| Coordinates | 41.3208300, -93.1093700 |
| Altitude | 277 |
| 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: 313 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 29m |
| 40 mph (64.37 km/h) | 04h 51m |
| 50 mph (80.47 km/h) | 03h 53m |
| 60 mph (96.56 km/h) | 03h 14m |
| 70 mph (112.65 km/h) | 02h 46m |
| 80 mph (129 km/h) | 02h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $25.91 | $51.81 |
| Mid-grade | $4.25 | $29.22 | $58.44 |
| Premium | $4.65 | $31.97 | $63.95 |
| Diesel | $5.30 | $36.44 | $72.88 |
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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.