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

The driving distance from Dubuque, IA to Osceola County, IA is about 322.5 miles (519 km), with a travel time of about 06h 37m by car.

  • The straight-line flight distance is about 258.1 miles (415.3 km).
  • For a round trip, plan for roughly 13h 14m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
322.49 mi
06h 37m
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 Dubuque.

Flight Distance

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

Driving Distance

Road route
322.49 mi
Kilometers
519 km
Drive Time
06h 37m

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 06h 37m.

Arrival Snapshot
Arrive in Osceola County
Thu, Oct 15, 7:27 PM CDT
Return by in Dubuque
Fri, Oct 16, 2:04 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dubuque
2026-10-15T12:49
Arrive Osceola County
Thu, Oct 15, 7:27 PM CDT
Route Timing
06h 37m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
12:37 PM to 2:07 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
10:46 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Dubuque
8:00 PM CDT
Overnight-style route

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 Dubuque
160.9 mi
03h 18m
To Osceola County
161.6 mi
03h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
56°F
Today

Rain Showers

Starts
Thu, Oct 15 11:00 AM CDT
Wind
5 mph NE
Destination
62°F
Thursday

Showers And Thunderstorms Likely

Starts
Thu, Oct 15 6:00 AM CDT
Wind
15 mph WSW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Central Avenue

    929 ft · 34 sec · Central Avenue

  2. 2

    Take the ramp straight toward US 61 South, US 151 South

    1248 ft · 32 sec

  3. 3

    Turn right onto Locust Street Conn

    1166 ft · 36 sec · Locust Street Conn

  4. 4

    Turn right onto Dodge Street

    87 mi · 1 hr 43 min · Dodge Street

  5. 5

    Keep slight left to continue on Avenue of the Saints

    159.2 mi · 3 hr 4 min · Avenue of the Saints

  6. 6

    Turn right onto Armstrong Avenue

    6 mi · 8 min · Armstrong Avenue

  7. 7

    Continue on 20th Avenue

    9.2 mi · 13 min · 20th Avenue

  8. 8

    Turn left onto Highway 7

    1.1 mi · 2 min · Highway 7

  9. 9

    Continue on State Highway 7

    2.1 mi · 3 min · State Highway 7

  10. 10

    Continue on 1st Street

    1.4 mi · 2 min · 1st Street

  11. 11

    Continue on V Avenue

    1.9 mi · 3 min · V Avenue

  12. 12

    Turn left onto State Highway 3

    1153 ft · 23 sec · State Highway 3

  13. 13

    Turn straight onto 530th Street

    3.1 mi · 4 min · 530th Street

  14. 14

    Turn right onto State Highway 3

    2.7 mi · 4 min · State Highway 3

  15. 15

    Turn right

    13.6 mi · 19 min

  16. 16

    Turn left onto 470th Street

    4.1 mi · 6 min · 470th Street

  17. 17

    Continue on Silver Avenue

    7.2 mi · 10 min · Silver Avenue

  18. 18

    Continue on South Rerick Avenue

    1.6 mi · 3 min · South Rerick Avenue

  19. 19

    Continue on Silver Avenue

    6 mi · 8 min · Silver Avenue

  20. 20

    Turn left onto 320th Street

    1.6 km · 1 min · 320th Street

  21. 21

    Turn right onto Roosevelt Avenue

    13 mi · 18 min · Roosevelt Avenue

  22. 22

    Turn right onto 190th Street

    1.6 km · 4 min · 190th Street

  23. 23

    Turn left onto Silver Avenue

    1455 ft · 1 min · Silver Avenue

  24. 24

    Arrive at your destination

    0 m · 1 sec · Silver Avenue

Car Route Details

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

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
24 steps
13 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
7.4 / 100 mi
Decision points by distance
Main Roads
Avenue of the Saints
159 mi · 49%
Dodge Street
87 mi · 27%
Silver Avenue
13.5 mi · 4%
Roosevelt Avenue
13 mi · 4%
20th Avenue
9.23 mi · 3%
Armstrong Avenue
5.95 mi · 2%
Longest Stretch

Avenue of the Saints

Keep slight left to continue on Avenue of the Saints

159 mi · 03h 04m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 37m
Overnight route
Same-Day Return
13h 14m
Round-trip wheel time
Road vs Air
+64.4 mi
258.1 mi direct line
Halfway Stop
Blairsburg
03h 18m from Dubuque
Leave By
10:46 PM CDT
Overnight-style route
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 322.5 miles (519 km) and usually takes 06h 37m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Blairsburg is a useful midpoint, sitting about 160.9 miles from Dubuque and 161.6 miles from Osceola County.

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 64.4 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

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 101.1 kg one way.

What should you check before leaving?

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

Flight Path Map

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

Dubuque

#1 Dubuque

The most populous city in Dubuque County, Iowa.

Population57,781
Coordinates42.5005600, -90.6645700
Altitude189
CountryUnited States
Osceola County

#2 Osceola County

County in Iowa, United States

Population5,987
Coordinates43.3785700, -95.6236900
Altitude477
CountryUnited States
Start: Dubuque (-90.66457, 42.50056)
End: Osceola County (-95.62369, 43.37857)

Estimated Travel Time

Distance: 519 km by road

SpeedTime
30 mph (48.3 km/h)10h 44m
40 mph (64.37 km/h)08h 03m
50 mph (80.47 km/h)06h 26m
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
11.38 gal
43.08 L · about $47.85
Round trip
$95.71
22.76 gal · 86.16 L
Estimated CO2
101.1 kg one way
Round trip: 202.3 kg / 446 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.21 $47.85 $95.71
Mid-grade $4.47 $50.91 $101.83
Premium $5.10 $58.05 $116.10
Diesel $6.07 $69.09 $138.18

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 · Oct 15, 2026

There is no time difference between Dubuque and Osceola County. The current time is 12:49:52.

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.