How far is Grinnell, IA from Dubuque, IA?
The driving distance from Grinnell, IA to Dubuque, IA is about 154.4 miles (248.5 km), with a travel time of about 02h 30m by car.
- The straight-line flight distance is about 117.7 miles (189.5 km).
- For a round trip, plan for roughly 05h 01m 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 30m.
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.
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 Grinnell and Dubuque.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grinnell and Dubuque.
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1
Start on Park Street
21 m · 7 sec · Park Street
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2
Turn right onto 4th Avenue
1.2 km · 2 min · 4th Avenue
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3
Turn left onto Penrose Street
1056 ft · 40 sec · Penrose Street
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4
Turn right onto 6th Avenue
2927 ft · 53 sec · 6th Avenue
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5
Continue on 380th Avenue
5.5 mi · 8 min · 380th Avenue
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6
Turn left onto 100th Street
8 mi · 12 min · 100th Street
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7
Continue on J Avenue
6.3 mi · 9 min · J Avenue
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8
Continue on State Street
1.6 km · 2 min · State Street
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9
Turn right onto East 5th Street
1.3 km · 1 min · East 5th Street
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10
At the end of the road, turn right onto Lincoln Highway
1.4 km · 1 min · Lincoln Highway
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11
Take the ramp right
2311 ft · 56 sec
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12
Merge slight left onto Lincoln Highway
11.7 mi · 14 min · Lincoln Highway
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13
Continue on 73rd Street
26.8 mi · 31 min · 73rd Street
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14
Take the exit slight right toward IA 100 East: Cedar Rapids, Marion
1.6 km · 2 min
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15
Continue straight
9.4 mi · 11 min
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16
Keep slight right to continue on Collins Road Northeast
5.9 mi · 8 min · Collins Road Northeast
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17
Turn left
1.1 mi · 2 min
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18
Turn right onto Marion Airport Road
24.1 mi · 28 min · Marion Airport Road
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19
Continue on 200th Avenue
32.4 mi · 37 min · 200th Avenue
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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 Grinnell 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.
200th Avenue
Continue on 200th Avenue
32.4 mi · 00h 37m
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 Grinnell and Sunny near Dubuque.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grinnell to Dubuque?
The road trip is about 154.4 miles (248.5 km) and usually takes 02h 30m 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?
Hiawatha is a useful midpoint, sitting about 71.6 miles from Grinnell and 82.8 miles from Dubuque.
How much longer is the road route than the straight-line distance?
The direct path is about 117.7 miles (189.5 km), while the road route adds roughly 36.7 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 1:28 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.55 one way or $41.10 round trip. Estimated CO2 is about 48.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Grinnell and Sunny near Dubuque.
Stop Ideas Near Hiawatha
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 Hiawatha.
Davenport, Iowa
Rock Island, IL
Moline, Illinois
Mount Pleasant
Flight Path Map
This map shows the direct air route between Grinnell and Dubuque. Straight-line distance: 117.73 mi (189.47 km).
#1 Grinnell
City in Poweshiek County, Iowa, United States
| Population | 9,096 |
| Coordinates | 41.7430500, -92.7224100 |
| Altitude | 309 |
| 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: 248 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 08m |
| 40 mph (64.37 km/h) | 03h 51m |
| 50 mph (80.47 km/h) | 03h 05m |
| 60 mph (96.56 km/h) | 02h 34m |
| 70 mph (112.65 km/h) | 02h 12m |
| 80 mph (129 km/h) | 01h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $20.55 | $41.10 |
| Mid-grade | $4.25 | $23.18 | $46.36 |
| Premium | $4.65 | $25.36 | $50.73 |
| Diesel | $5.30 | $28.91 | $57.81 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.