How far is Davenport, IA from Sumner, IA?
The driving distance from Davenport, IA to Sumner, IA is about 152.7 miles (245.7 km), with a travel time of about 03h 13m by car.
- The straight-line flight distance is about 119.9 miles (192.9 km).
- For a round trip, plan for roughly 06h 27m 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 13m.
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.
The second most populous city in Iowa.
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 Davenport and Sumner.
Turn-by-Turn Driving Directions
Step-by-step road directions between Davenport and Sumner.
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1
Start on West 4th Street
1.1 km · 2 min · West 4th Street
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2
Turn right onto Marquette Street
1 mi · 2 min · Marquette Street
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3
Turn left onto West Locust Street
2659 ft · 1 min · West Locust Street
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4
Turn slight right onto Hickory Grove Road
2.5 mi · 5 min · Hickory Grove Road
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5
At the end of the road, turn left onto West Kimberly Road
2.9 mi · 4 min · West Kimberly Road
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6
Take the ramp right
51 mi · 56 min
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7
Take the exit slight right toward I 380, US 218, IA 27
1850 ft · 45 sec
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8
Keep slight right to continue on I 380, US 218 North, IA 27 North: Cedar Rapids, Waterloo
3219 ft · 1 min
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9
Merge slight left onto Avenue of the Saints
54.6 mi · 1 hr 1 min · Avenue of the Saints
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10
Take the exit slight right toward CR V65: Jesup, La Porte City
2146 ft · 54 sec
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11
Turn right onto South Black Hawk Buchanan Avenue
1.5 km · 1 min · South Black Hawk Buchanan Avenue
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12
Continue on Benson Shady Grove Avenue
7.1 mi · 10 min · Benson Shady Grove Avenue
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13
At the end of the road, turn left onto South Street
1395 ft · 30 sec · South Street
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14
Turn right onto Main Street
1.6 km · 2 min · Main Street
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15
Continue on Baxter Avenue
9 mi · 12 min · Baxter Avenue
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16
Enter the roundabout and take exit 2 toward Baxter Avenue
39 m · 3 sec · Baxter Avenue
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17
Exit the roundabout onto Baxter Avenue
1.5 mi · 2 min · Baxter Avenue
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18
Continue on Walnut Street South
1687 ft · 54 sec · Walnut Street South
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19
Turn right onto Main Street West
2641 ft · 50 sec · Main Street West
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20
Turn left onto 4th St North
1040 ft · 21 sec · 4th St North
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21
Continue on North 4th Street
702 ft · 14 sec · North 4th Street
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22
Continue on W Avenue
14.6 mi · 26 min · W Avenue
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23
Turn left onto 150th Street
2 mi · 3 min · 150th Street
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24
Continue on East 1st Street
2672 ft · 45 sec · East 1st Street
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25
Arrive at your destination
0 m · 1 sec · East 1st Street
Car Route Details
A richer read on the saved driving route between Davenport and Sumner.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Avenue of the Saints
Merge slight left onto Avenue of the Saints
54.6 mi · 01h 01m
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 Davenport and Sunny near Sumner.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Davenport to Sumner?
The road trip is about 152.7 miles (245.7 km) and usually takes 03h 13m 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?
Cedar Rapids is a useful midpoint, sitting about 76.3 miles from Davenport and 76.4 miles from Sumner.
How much longer is the road route than the straight-line distance?
The direct path is about 119.9 miles (192.9 km), while the road route adds roughly 32.8 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 10:32 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.33 one way or $40.65 round trip. Estimated CO2 is about 47.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Davenport and Sunny near Sumner.
Stop Ideas Near Cedar Rapids
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 Cedar Rapids.
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Flight Path Map
This map shows the direct air route between Davenport and Sumner. Straight-line distance: 119.89 mi (192.94 km).
#1 Davenport
The most populous city in Scott County, Iowa.
| Population | 101,799 |
| Coordinates | 41.5236400, -90.5776400 |
| Altitude | 180 |
| Country | United States |
#2 Sumner
City in Bremer County, Iowa, United States of America
| Population | 1,965 |
| Coordinates | 42.8474800, -92.0915600 |
| Altitude | 323 |
| Country | United States |
End: Sumner (-92.09156, 42.84748)
Estimated Travel Time
Distance: 246 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 05m |
| 40 mph (64.37 km/h) | 03h 49m |
| 50 mph (80.47 km/h) | 03h 03m |
| 60 mph (96.56 km/h) | 02h 32m |
| 70 mph (112.65 km/h) | 02h 10m |
| 80 mph (129 km/h) | 01h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $20.33 | $40.65 |
| Mid-grade | $4.25 | $22.92 | $45.85 |
| Premium | $4.65 | $25.09 | $50.17 |
| Diesel | $5.30 | $28.59 | $57.18 |
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.