How far is Sergeant Bluff, IA from Dubuque, IA?
The driving distance from Sergeant Bluff, IA to Dubuque, IA is about 303.6 miles (488.6 km), with a travel time of about 04h 40m by car.
- The straight-line flight distance is about 290.3 miles (467.2 km).
- For a round trip, plan for roughly 09h 20m 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 04h 40m.
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 Hamilton County, Iowa, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Cloudy
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Sergeant Bluff and Dubuque.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sergeant Bluff and Dubuque.
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1
Start on 4th Street
118 m · 24 sec · 4th Street
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2
Turn sharp left onto South Lewis Boulevard
2.3 mi · 4 min · South Lewis Boulevard
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3
Turn right onto Singing Hills Boulevard
1.2 mi · 3 min · Singing Hills Boulevard
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4
Turn left onto South Lakeport Street
1789 ft · 55 sec · South Lakeport Street
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5
Take the ramp right toward US 20 East, US 75 North
2084 ft · 27 sec
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6
Merge slight right
2 mi · 2 min
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7
Take the exit slight right toward Fort Dodge
2241 ft · 55 sec
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8
Keep slight right to continue on Fort Dodge
214 mi · 4 hr 9 min
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9
Keep slight left
81.4 mi · 1 hr 37 min
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10
Turn left onto South Locust Street
553 ft · 18 sec · South Locust Street
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11
Turn straight onto IA 946
708 ft · 21 sec
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12
At the end of the road, turn left
128 m · 13 sec
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13
Take the exit slight right toward White Street, Port of Dubuque
1432 ft · 32 sec
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14
Continue on White Street
638 ft · 27 sec · White Street
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15
Turn left onto East 7th Street
87 m · 20 sec · East 7th Street
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16
Turn left onto Central Avenue
10 m · 1 sec · Central Avenue
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17
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Sergeant Bluff and Dubuque.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Fort Dodge
Keep slight right to continue on Fort Dodge
214 mi · 04h 09m
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.
Partly Cloudy leaving Sergeant Bluff 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 Sergeant Bluff to Dubuque?
The road trip is about 303.6 miles (488.6 km) and usually takes 04h 40m 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?
Williams is a useful midpoint, sitting about 151.1 miles from Sergeant Bluff and 152.5 miles from Dubuque.
How much longer is the road route than the straight-line distance?
The direct path is about 290.3 miles (467.2 km), while the road route adds roughly 13.3 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 7:40 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.39 one way or $80.77 round trip. Estimated CO2 is about 95.2 kg one way.
What should you check before leaving?
Before you leave, expect Partly Cloudy around Sergeant Bluff and Chance Rain Showers near Dubuque.
Flight Path Map
This map shows the direct air route between Sergeant Bluff and Dubuque. Straight-line distance: 290.3 mi (467.2 km).
#1 Sergeant Bluff
City in Woodbury County, Iowa, United States of America
| Population | 5,119 |
| Coordinates | 42.4038800, -96.3586400 |
| Altitude | 334 |
| 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: 489 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 06m |
| 40 mph (64.37 km/h) | 07h 35m |
| 50 mph (80.47 km/h) | 06h 04m |
| 60 mph (96.56 km/h) | 05h 03m |
| 70 mph (112.65 km/h) | 04h 20m |
| 80 mph (129 km/h) | 03h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $40.39 | $80.77 |
| Mid-grade | $4.25 | $45.55 | $91.10 |
| Premium | $4.65 | $49.84 | $99.69 |
| Diesel | $5.30 | $56.81 | $113.61 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.