How far is Osceola County, IA from Dubuque, IA?

The driving distance from Osceola County, IA to Dubuque, IA is about 322.7 miles (519.4 km), with a travel time of about 05h 16m by car.

  • The straight-line flight distance is about 258.1 miles (415.3 km).
  • For a round trip, plan for roughly 10h 33m 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
322.77 mi
05h 16m
Flight
258.02 mi
415.25 km direct

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

Learn Distance

Choose another destination from Osceola County.

Flight Distance

Direct air line
258.02 mi
Kilometers
415.25 km
Flight Time
00h 31m

Driving Distance

Road route
322.77 mi
Kilometers
519.45 km
Drive Time
05h 16m

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 16m.

Arrival Snapshot
Arrive in Dubuque
Thu, Oct 15, 5:15 PM CDT
Return by in Osceola County
Thu, Oct 15, 10:32 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Osceola County
2026-10-15T11:59
Arrive Dubuque
Thu, Oct 15, 5:15 PM CDT
Route Timing
05h 16m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:17 AM to 1:17 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
6:26 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Osceola County
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Blairsburg
IA

Township in Hamilton County, Iowa

From Osceola County
161 mi
02h 38m
To Dubuque
161.8 mi
02h 38m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
62°F
Thursday

Showers And Thunderstorms Likely

Starts
Thu, Oct 15 6:00 AM CDT
Wind
15 mph WSW
Destination
56°F
Today

Rain Showers

Starts
Thu, Oct 15 11:00 AM CDT
Wind
5 mph NE

Driving Route Map

The map below follows the saved road route between Osceola County and Dubuque.

Turn-by-Turn Driving Directions

Step-by-step road directions between Osceola County and Dubuque.

  1. 1

    Start on Silver Avenue

    1455 ft · 1 min · Silver Avenue

  2. 2

    Turn right onto 190th Street

    1.6 km · 4 min · 190th Street

  3. 3

    Turn left onto County Highway A30

    13 mi · 18 min · County Highway A30

  4. 4

    Turn left onto 320th Street

    1.6 km · 1 min · 320th Street

  5. 5

    Turn right onto Silver Avenue

    6 mi · 8 min · Silver Avenue

  6. 6

    Continue on North Rerick Avenue

    1.6 mi · 3 min · North Rerick Avenue

  7. 7

    Continue on Silver Avenue

    7.2 mi · 10 min · Silver Avenue

  8. 8

    Continue on 470th Street

    4.1 mi · 6 min · 470th Street

  9. 9

    Turn right onto Tanager Avenue

    4 mi · 5 min · Tanager Avenue

  10. 10

    Continue on Q Avenue

    3.1 mi · 4 min · Q Avenue

  11. 11

    Continue on Railroad Street

    6.6 mi · 9 min · Railroad Street

  12. 12

    Turn left onto State Highway 3

    2.7 mi · 4 min · State Highway 3

  13. 13

    Turn left onto 530th Street

    3.4 mi · 5 min · 530th Street

  14. 14

    Turn right onto V Avenue

    2 mi · 3 min · V Avenue

  15. 15

    Continue on 1st Street

    1.4 mi · 2 min · 1st Street

  16. 16

    Continue on State Highway 7

    2.1 mi · 3 min · State Highway 7

  17. 17

    Continue on Highway 7

    1.1 mi · 2 min · Highway 7

  18. 18

    Turn right onto 20th Avenue

    9.2 mi · 13 min · 20th Avenue

  19. 19

    Continue on Armstrong Avenue

    6 mi · 8 min · Armstrong Avenue

  20. 20

    At the end of the road, turn left onto 220th Street

    164.9 mi · 3 hr 10 min · 220th Street

  21. 21

    Keep slight left

    81.4 mi · 1 hr 37 min

  22. 22

    Turn left onto South Locust Street

    553 ft · 18 sec · South Locust Street

  23. 23

    Turn straight onto IA 946

    708 ft · 21 sec

  24. 24

    At the end of the road, turn left

    128 m · 13 sec

  25. 25

    Take the exit slight right toward White Street, Port of Dubuque

    1432 ft · 32 sec

  26. 26

    Continue on White Street

    638 ft · 27 sec · White Street

  27. 27

    Turn left onto East 7th Street

    87 m · 20 sec · East 7th Street

  28. 28

    Turn left onto Central Avenue

    10 m · 1 sec · Central Avenue

  29. 29

    Arrive at your destination

    0 m · 1 sec · Central Avenue

Car Route Details

A richer read on the saved driving route between Osceola County and Dubuque.

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
15 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
9 / 100 mi
Decision points by distance
Main Roads
220th Street
246 mi · 76%
Silver Avenue
13.5 mi · 4%
County Highway A30
13 mi · 4%
20th Avenue
9.23 mi · 3%
Railroad Street
6.56 mi · 2%
Armstrong Avenue
5.95 mi · 2%
Longest Stretch

220th Street

At the end of the road, turn left onto 220th Street

165 mi · 03h 10m

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 16m
Long day trip
Same-Day Return
10h 34m
Round-trip wheel time
Road vs Air
+64.6 mi
258.1 mi direct line
Halfway Stop
Blairsburg
02h 38m from Osceola County
Leave By
6:26 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms Likely leaving Osceola County and Rain Showers near Dubuque.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Osceola County to Dubuque?

The road trip is about 322.7 miles (519.4 km) and usually takes 05h 16m 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?

Blairsburg is a useful midpoint, sitting about 161 miles from Osceola County and 161.8 miles from Dubuque.

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

The direct path is about 258.1 miles (415.3 km), while the road route adds roughly 64.6 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 6:26 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $47.89 one way or $95.79 round trip. Estimated CO2 is about 101.2 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around Osceola County and Rain Showers near Dubuque.

Flight Path Map

This map shows the direct air route between Osceola County and Dubuque. Straight-line distance: 258.02 mi (415.25 km).

Osceola County

#1 Osceola County

County in Iowa, United States

Population5,987
Coordinates43.3785700, -95.6236900
Altitude477
CountryUnited States
Dubuque

#2 Dubuque

The most populous city in Dubuque County, Iowa.

Population57,781
Coordinates42.5005600, -90.6645700
Altitude189
CountryUnited States
Start: Silver Avenue (-95.622981, 43.378572)
End: Central Avenue (-90.664595, 42.500561)

Estimated Travel Time

Distance: 519 km by road

SpeedTime
30 mph (48.3 km/h)10h 45m
40 mph (64.37 km/h)08h 04m
50 mph (80.47 km/h)06h 27m
60 mph (96.56 km/h)05h 22m
70 mph (112.65 km/h)04h 36m
80 mph (129 km/h)04h 01m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.39 gal
43.11 L · about $47.89
Round trip
$95.79
22.78 gal · 86.22 L
Estimated CO2
101.2 kg one way
Round trip: 202.4 kg / 446 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.21 $47.89 $95.79
Mid-grade $4.47 $50.96 $101.92
Premium $5.10 $58.10 $116.20
Diesel $6.07 $69.15 $138.30

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 · Oct 15, 2026

There is no time difference between Osceola County and Dubuque. The current time is 11:59:11.

Distance to Other Cities

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