How far is Alton, IA from Davenport, IA?

The driving distance from Alton, IA to Davenport, IA is about 359.6 miles (578.7 km), with a travel time of about 05h 43m by car.

  • The straight-line flight distance is about 295.6 miles (475.7 km).
  • For a round trip, plan for roughly 11h 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.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
359.6 mi
05h 43m
Flight
295.6 mi
475.73 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Alton.

Flight Distance

Direct air line
295.6 mi
Kilometers
475.73 km
Flight Time
00h 35m

Driving Distance

Road route
359.6 mi
Kilometers
578.72 km
Drive Time
05h 43m

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 05h 43m.

Arrival Snapshot
Arrive in Davenport
Fri, Apr 17, 12:43 PM CDT
Return by in Alton
Fri, Apr 17, 6:27 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Alton
2026-04-17T07:00
Arrive Davenport
Fri, Apr 17, 12:43 PM CDT
Route Timing
05h 43m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:44 AM to 1:44 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
5:32 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Alton
9:00 PM CDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Owasa
IA

Human settlement in Hardin County, Iowa, United States of America

From Alton
178.8 mi
02h 51m
To Davenport
180.8 mi
02h 51m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Friday

Chance Rain Showers

Starts
Fri, Apr 17 6:00 AM CDT
Wind
15 to 25 mph WSW
Destination
81°F
Friday

Mostly Sunny then Chance Showers And Thunderstorms

Starts
Fri, Apr 17 6:00 AM CDT
Wind
5 to 15 mph S

Driving Route Map

The map below follows the saved road route between Alton and Davenport.

Turn-by-Turn Driving Directions

Step-by-step road directions between Alton and Davenport.

  1. 1

    Start on the route

    34 m · 13 sec

  2. 2

    Turn left onto West 10th Street

    48 m · 9 sec · West 10th Street

  3. 3

    Turn right onto 3rd Avenue

    1794 ft · 43 sec · 3rd Avenue

  4. 4

    Turn left onto Division Street

    1.4 km · 2 min · Division Street

  5. 5

    At the end of the road, turn right onto State Highway 10

    1388 ft · 22 sec · State Highway 10

  6. 6

    Continue on 460th Street

    1.8 mi · 2 min · 460th Street

  7. 7

    Turn right onto Kiwi Avenue

    5 mi · 7 min · Kiwi Avenue

  8. 8

    Continue on County Road L14

    7 mi · 10 min · County Road L14

  9. 9

    Continue on State Highway 140

    15.1 mi · 21 min · State Highway 140

  10. 10

    Turn left onto 320th Street

    2 mi · 3 min · 320th Street

  11. 11

    Turn right onto Shamrock Avenue

    2 mi · 3 min · Shamrock Avenue

  12. 12

    Continue on Lee Avenue

    5.4 mi · 8 min · Lee Avenue

  13. 13

    Turn left onto Highway 20

    19 mi · 23 min · Highway 20

  14. 14

    Continue on United States Highway 20

    8.3 mi · 10 min · United States Highway 20

  15. 15

    Continue on 220th Street

    165.9 mi · 3 hr 11 min · 220th Street

  16. 16

    Keep slight right to continue on Avenue of the Saints

    64.7 mi · 1 hr 12 min · Avenue of the Saints

  17. 17

    Take the exit slight right toward I 80

    1362 ft · 33 sec

  18. 18

    Keep slight left to continue on I 80 East: Davenport

    1.2 mi · 3 min

  19. 19

    Merge slight left

    49.7 mi · 54 min

  20. 20

    Take the exit slight right toward I 280 East, US 6 East, US 61 South: Rock Island, Moline

    1.1 mi · 2 min

  21. 21

    Take the exit slight right toward US 6 East, CR F58 West: Kimberly Road, Walcott

    2019 ft · 51 sec

  22. 22

    Continue on West Kimberly Road

    3 mi · 4 min · West Kimberly Road

  23. 23

    Turn slight right onto Hickory Grove Road

    2.5 mi · 5 min · Hickory Grove Road

  24. 24

    Turn left onto West Locust Street

    1.5 km · 2 min · West Locust Street

  25. 25

    Turn right onto Gaines Street

    1543 ft · 49 sec · Gaines Street

  26. 26

    Turn left onto West 14th Street

    1544 ft · 46 sec · West 14th Street

  27. 27

    At the end of the road, turn right onto Harrison Street

    1.2 km · 2 min · Harrison Street

  28. 28

    Turn right onto West 4th Street

    50 m · 4 sec · West 4th Street

  29. 29

    Arrive at your destination

    0 m · 1 sec · West 4th Street

Car Route Details

A richer read on the saved driving route between Alton and Davenport.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
29 steps
14 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
8.1 / 100 mi
Decision points by distance
Main Roads
220th Street
166 mi · 46%
Avenue of the Saints
64.7 mi · 18%
I 80 East
50.9 mi · 14%
Highway 20
19 mi · 5%
State Highway 140
15.1 mi · 4%
United States Highway 20
8.31 mi · 2%
Longest Stretch

220th Street

Continue on 220th Street

166 mi · 03h 11m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
05h 43m
Long day trip
Same-Day Return
11h 28m
Round-trip wheel time
Road vs Air
+64 mi
295.6 mi direct line
Halfway Stop
Owasa
02h 51m from Alton
Leave By
5:32 AM CDT
Early departure recommended
Weather Watch

Chance Rain Showers leaving Alton and Mostly Sunny then Chance Showers And Thunderstorms near Davenport.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Alton to Davenport?

The road trip is about 359.6 miles (578.7 km) and usually takes 05h 43m 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?

Owasa is a useful midpoint, sitting about 178.8 miles from Alton and 180.8 miles from Davenport.

How much longer is the road route than the straight-line distance?

The direct path is about 295.6 miles (475.7 km), while the road route adds roughly 64 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 5:32 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $47.85 one way or $95.71 round trip. Estimated CO2 is about 112.8 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Alton and Mostly Sunny then Chance Showers And Thunderstorms near Davenport.

Flight Path Map

This map shows the direct air route between Alton and Davenport. Straight-line distance: 295.6 mi (475.73 km).

Photo coming soon

#1 Alton

Human settlement in Sioux County, Iowa, United States of America

Population1,249
Coordinates42.9874900, -96.0105700
Altitude404
CountryUnited States
Davenport

#2 Davenport

The most populous city in Scott County, Iowa.

Population101,799
Coordinates41.5236400, -90.5776400
Altitude180
CountryUnited States
Start: 3rd Avenue (-96.010285, 42.987405)
End: West 4th Street (-90.577639, 41.523536)

Estimated Travel Time

Distance: 579 km by road

SpeedTime
30 mph (48.3 km/h)11h 58m
40 mph (64.37 km/h)08h 59m
50 mph (80.47 km/h)07h 11m
60 mph (96.56 km/h)05h 59m
70 mph (112.65 km/h)05h 08m
80 mph (129 km/h)04h 29m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.69 gal
48.03 L · about $47.85
Round trip
$95.71
25.38 gal · 96.06 L
Estimated CO2
112.8 kg one way
Round trip: 225.6 kg / 497 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $47.85 $95.71
Mid-grade $4.25 $53.97 $107.94
Premium $4.65 $59.06 $118.12
Diesel $5.30 $67.31 $134.62

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 17, 2026

There is no time difference between Alton and Davenport. The current time is 07:00:16.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.