How far is Grinnell, IA from Davenport, IA?
The driving distance from Grinnell, IA to Davenport, IA is about 121.4 miles (195.4 km), with a travel time of about 01h 59m by car.
- The straight-line flight distance is about 111.8 miles (179.9 km).
- For a round trip, plan for roughly 03h 59m 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 01h 59m.
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.
Human settlement 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 Grinnell and Davenport.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grinnell and Davenport.
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1
Start on Park Street
21 m · 10 sec · Park Street
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2
Turn left onto 4th Avenue
1329 ft · 38 sec · 4th Avenue
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3
Turn left onto West Street
3.3 mi · 6 min · West Street
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4
Continue on State Highway 146
115 m · 14 sec · State Highway 146
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5
Turn left
1628 ft · 40 sec
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6
Merge slight left
106.5 mi · 1 hr 55 min
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7
Take the exit slight right toward I 280 East, US 6 East, US 61 South: Rock Island, Moline
1.1 mi · 2 min
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8
Take the exit slight right toward US 6 East, CR F58 West: Kimberly Road, Walcott
2019 ft · 51 sec
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9
Continue on West Kimberly Road
3 mi · 4 min · West Kimberly Road
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10
Turn slight right onto Hickory Grove Road
2.5 mi · 5 min · Hickory Grove Road
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11
Turn left onto West Locust Street
1.5 km · 2 min · West Locust Street
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12
Turn right onto Gaines Street
1543 ft · 49 sec · Gaines Street
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13
Turn left onto West 14th Street
1544 ft · 46 sec · West 14th Street
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14
At the end of the road, turn right onto Harrison Street
1.2 km · 2 min · Harrison Street
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15
Turn right onto West 4th Street
50 m · 4 sec · West 4th Street
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16
Arrive at your destination
0 m · 1 sec · West 4th Street
Car Route Details
A richer read on the saved driving route between Grinnell and Davenport.
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 146
Merge slight left
106 mi · 01h 55m
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 Davenport.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grinnell to Davenport?
The road trip is about 121.4 miles (195.4 km) and usually takes 01h 59m 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?
Tiffin is a useful midpoint, sitting about 59.7 miles from Grinnell and 61.7 miles from Davenport.
How much longer is the road route than the straight-line distance?
The direct path is about 111.8 miles (179.9 km), while the road route adds roughly 9.6 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 2:30 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.14 one way or $32.28 round trip. Estimated CO2 is about 38 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Grinnell and Sunny near Davenport.
Stop Ideas Near Tiffin
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 Tiffin.
Mount Pleasant
Davenport, Iowa
Rock Island, IL
Ottumwa station
Flight Path Map
This map shows the direct air route between Grinnell and Davenport. Straight-line distance: 111.79 mi (179.91 km).
#1 Grinnell
City in Poweshiek County, Iowa, United States
| Population | 9,096 |
| Coordinates | 41.7430500, -92.7224100 |
| Altitude | 309 |
| Country | United States |
#2 Davenport
The most populous city in Scott County, Iowa.
| Population | 101,799 |
| Coordinates | 41.5236400, -90.5776400 |
| Altitude | 180 |
| Country | United States |
End: West 4th Street (-90.577639, 41.523536)
Estimated Travel Time
Distance: 195 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 02m |
| 40 mph (64.37 km/h) | 03h 02m |
| 50 mph (80.47 km/h) | 02h 25m |
| 60 mph (96.56 km/h) | 02h 01m |
| 70 mph (112.65 km/h) | 01h 44m |
| 80 mph (129 km/h) | 01h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $16.14 | $32.28 |
| Mid-grade | $4.25 | $18.20 | $36.41 |
| Premium | $4.65 | $19.92 | $39.84 |
| Diesel | $5.30 | $22.70 | $45.40 |
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.