How far is Portage, IN from Miller, IN?

The driving distance from Portage, IN to Miller, IN is about 163.6 miles (263.3 km), with a travel time of about 03h 11m by car.

  • The straight-line flight distance is about 143 miles (230.1 km).
  • For a round trip, plan for roughly 06h 22m 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
163.64 mi
03h 11m
Flight
143.01 mi
230.15 km direct

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

Learn Distance

Choose another destination from Portage.

Flight Distance

Direct air line
143.01 mi
Kilometers
230.15 km
Flight Time
00h 17m

Driving Distance

Road route
163.64 mi
Kilometers
263.35 km
Drive Time
03h 11m

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 11m.

Arrival Snapshot
Arrive in Miller
Sun, Apr 19, 9:47 AM EDT
Return by in Portage
Sun, Apr 19, 11:58 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Portage
2026-04-19T05:36
Arrive Miller
Sun, Apr 19, 8:47 AM CDT
Route Timing
03h 11m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:11 AM to 12:11 PM EDT

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

Leave by
10:38 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Portage
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
Round Grove
IN

Township in White County, Indiana

From Portage
81.8 mi
01h 35m
To Miller
81.8 mi
01h 35m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Sunday

Slight Chance Rain And Snow Showers then Mostly Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
10 to 15 mph WNW
Destination
58°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM EDT
Wind
8 to 17 mph WNW

Driving Route Map

The map below follows the saved road route between Portage and Miller.

Turn-by-Turn Driving Directions

Step-by-step road directions between Portage and Miller.

  1. 1

    Start on Central Avenue

    1861 ft · 53 sec · Central Avenue

  2. 2

    Turn right onto Willowcreek Road

    2930 ft · 1 min · Willowcreek Road

  3. 3

    Take the ramp slight right toward I 80, I 90

    132 m · 12 sec

  4. 4

    Keep slight right

    673 ft · 16 sec

  5. 5

    Continue straight

    1945 ft · 47 sec

  6. 6

    Merge slight left onto Indiana Toll Road

    2.6 mi · 3 min · Indiana Toll Road

  7. 7

    Take the exit slight right toward I 80 West, I 94, US 6: Des Moines

    3216 ft · 1 min

  8. 8

    Keep slight right to continue on I 94 West, I 80 West, SR 51, US 6 East

    543 ft · 13 sec

  9. 9

    Keep slight left to continue on I 94 West, I 80 West

    2.9 mi · 4 min

  10. 10

    Take the exit slight right toward I 65: Gary, Toll Road, Indianapolis

    1 km · 52 sec

  11. 11

    Keep slight left to continue on I 65 South, I 80 West, I 94 West, US 6 West: Indianapolis, Chicago

    618 ft · 10 sec

  12. 12

    Keep slight left to continue on I 65 South: Indianapolis

    2686 ft · 60 sec

  13. 13

    Merge slight left onto Casimir Pulaski Memorial Highway

    130 mi · 2 hr 21 min · Casimir Pulaski Memorial Highway

  14. 14

    Keep slight left

    5.9 mi · 7 min

  15. 15

    Take the exit slight right toward I 465 South

    1210 ft · 30 sec

  16. 16

    Continue on I 465 South

    1 km · 1 min

  17. 17

    Merge slight left

    11 mi · 13 min

  18. 18

    Take the exit slight right toward SR 67 South: Kentucky Avenue

    1437 ft · 35 sec

  19. 19

    Keep slight left to continue on SR 67 South: Mooresville

    50 m · 6 sec

  20. 20

    Turn left onto Kentucky Avenue

    2739 ft · 53 sec · Kentucky Avenue

  21. 21

    Turn slight left

    131 m · 18 sec

  22. 22

    Turn straight onto South High School Road

    1.6 mi · 3 min · South High School Road

  23. 23

    Continue on South Mooresville Road

    1.6 mi · 3 min · South Mooresville Road

  24. 24

    Continue on South Mooresville Road

    2680 ft · 56 sec · South Mooresville Road

  25. 25

    Turn left onto Paddock Road

    2 mi · 4 min · Paddock Road

  26. 26

    Turn left onto East Landersdale Road

    1678 ft · 51 sec · East Landersdale Road

  27. 27

    Turn left onto Forest Drive

    788 ft · 35 sec · Forest Drive

  28. 28

    Arrive at your destination

    0 m · 1 sec · Forest Drive

Car Route Details

A richer read on the saved driving route between Portage and Miller.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
28 steps
7 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
17.1 / 100 mi
Decision points by distance
Main Roads
Casimir Pulaski Memorial Highway
136 mi · 83%
I 465 South
11.8 mi · 7%
I 94 West
3.04 mi · 2%
Indiana Toll Road
2.55 mi · 2%
South Mooresville Road
2.09 mi · 1%
Paddock Road
2.01 mi · 1%
Longest Stretch

Casimir Pulaski Memorial Highway

Merge slight left onto Casimir Pulaski Memorial Highway

130 mi · 02h 21m

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
03h 11m
Long day trip
Same-Day Return
06h 22m
Round-trip wheel time
Road vs Air
+20.6 mi
143 mi direct line
Halfway Stop
Round Grove
01h 35m from Portage
Leave By
10:38 AM CDT
Early departure recommended
Weather Watch

Slight Chance Rain And Snow Showers then Mostly Sunny leaving Portage and Sunny near Miller.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Portage to Miller?

The road trip is about 163.6 miles (263.3 km) and usually takes 03h 11m 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?

Round Grove is a useful midpoint, sitting about 81.8 miles from Portage and 81.8 miles from Miller.

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

The direct path is about 143 miles (230.1 km), while the road route adds roughly 20.6 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 10:38 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $21.76 one way or $43.52 round trip. Estimated CO2 is about 51.3 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Portage and Miller, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Slight Chance Rain And Snow Showers then Mostly Sunny around Portage and Sunny near Miller.

Stop Ideas Near Round Grove

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Round Grove, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Round Grove.

RAIL

Lafayette station

22 mi away
200 North 2nd St.
RAIL

Rensselaer

41 mi away
619 North Cullen Street
BUS

Crawfordsville (Bus), Indiana

58 mi away
1000 Smith Ave
RAIL

Crawfordsville

62 mi away
Spring and Green Streets

Flight Path Map

This map shows the direct air route between Portage and Miller. Straight-line distance: 143.01 mi (230.15 km).

Portage

#1 Portage

The second most populous city in Porter County, Indiana.

Population90,543
Coordinates41.5758700, -87.1761500
Altitude194
CountryUnited States
Photo coming soon

#2 Miller

Unincorporated community in Morgan County, Indiana

Population9,767
Coordinates39.6206000, -86.2819300
Altitude223
CountryUnited States
Start: Portage (-87.17615, 41.57587)
End: Miller (-86.28193, 39.6206)

Estimated Travel Time

Distance: 263 km by road

SpeedTime
30 mph (48.3 km/h)05h 27m
40 mph (64.37 km/h)04h 05m
50 mph (80.47 km/h)03h 16m
60 mph (96.56 km/h)02h 43m
70 mph (112.65 km/h)02h 20m
80 mph (129 km/h)02h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.77 gal
21.86 L · about $21.76
Round trip
$43.52
11.54 gal · 43.72 L
Estimated CO2
51.3 kg one way
Round trip: 102.6 kg / 226 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $21.76 $43.52
Mid-grade $4.25 $24.54 $49.08
Premium $4.65 $26.85 $53.71
Diesel $5.30 $30.60 $61.21

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 Indiana · Apr 19, 2026

Please keep in mind that there is a 1 hour time gap between Portage, IN and Miller, IN. The current time in Portage is 05:36:23, although it is 06:36:23 in Miller.

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.