How far is Carroll, IA from Dubuque, IA?
The driving distance from Carroll, IA to Dubuque, IA is about 247.9 miles (399 km), with a travel time of about 03h 59m by car.
- The straight-line flight distance is about 216.9 miles (349 km).
- For a round trip, plan for roughly 07h 59m 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 59m.
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 Tokyo, Japan
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Mostly Sunny
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Carroll and Dubuque.
Turn-by-Turn Driving Directions
Step-by-step road directions between Carroll and Dubuque.
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1
Start on the route
39 m · 12 sec
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2
Turn right
23 m · 11 sec
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3
Turn left onto East 6th Street
2.3 mi · 4 min · East 6th Street
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4
Continue on County Road N33
10.3 mi · 14 min · County Road N33
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5
Continue on 220th Street
44.4 mi · 59 min · 220th Street
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6
Continue on 230th Street
77.2 mi · 1 hr 29 min · 230th Street
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7
Continue on 73rd Street
26.8 mi · 31 min · 73rd Street
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8
Take the exit slight right toward IA 100 East: Cedar Rapids, Marion
1.6 km · 2 min
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9
Continue straight
9.4 mi · 11 min
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10
Keep slight right to continue on Collins Road Northeast
5.9 mi · 8 min · Collins Road Northeast
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11
Turn left
1.1 mi · 2 min
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12
Turn right onto Marion Airport Road
24.1 mi · 28 min · Marion Airport Road
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13
Continue on 200th Avenue
32.4 mi · 37 min · 200th Avenue
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14
Keep slight left
5.1 mi · 7 min
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15
Keep slight left
1.1 mi · 1 min
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16
Take the exit slight right toward White Street, Port of Dubuque
1432 ft · 32 sec
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17
Continue on White Street
638 ft · 27 sec · White Street
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18
Turn left onto East 7th Street
87 m · 20 sec · East 7th Street
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19
Turn left onto Central Avenue
10 m · 1 sec · Central Avenue
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20
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Carroll and Dubuque.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
230th Street
Continue on 230th Street
77.2 mi · 01h 29m
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.
Slight Chance Rain Showers then Mostly Sunny leaving Carroll and Chance Rain Showers near Dubuque.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Carroll to Dubuque?
The road trip is about 247.9 miles (399 km) and usually takes 03h 59m 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?
Tama is a useful midpoint, sitting about 120.5 miles from Carroll and 127.4 miles from Dubuque.
How much longer is the road route than the straight-line distance?
The direct path is about 216.9 miles (349 km), while the road route adds roughly 31 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 9:00 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.00 one way or $65.99 round trip. Estimated CO2 is about 77.8 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Mostly Sunny around Carroll and Chance Rain Showers near Dubuque.
Stop Ideas Near Tama
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 Tama.
Ottumwa station
Flight Path Map
This map shows the direct air route between Carroll and Dubuque. Straight-line distance: 216.88 mi (349.03 km).
#1 Carroll
City in Carroll County, Iowa, United States
| Population | 9,694 |
| Coordinates | 42.0658200, -94.8669300 |
| Altitude | 387 |
| 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: 399 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 15m |
| 40 mph (64.37 km/h) | 06h 11m |
| 50 mph (80.47 km/h) | 04h 57m |
| 60 mph (96.56 km/h) | 04h 07m |
| 70 mph (112.65 km/h) | 03h 32m |
| 80 mph (129 km/h) | 03h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $33.00 | $65.99 |
| Mid-grade | $4.25 | $37.21 | $74.43 |
| Premium | $4.65 | $40.72 | $81.45 |
| Diesel | $5.30 | $46.41 | $92.82 |
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 · May 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.