How far is Portage, IN from Rockport, IN?

The driving distance from Portage, IN to Rockport, IN is about 310.6 miles (499.9 km), with a travel time of about 05h 59m by car.

  • The straight-line flight distance is about 255.3 miles (410.8 km).
  • For a round trip, plan for roughly 11h 59m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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
310.61 mi
05h 59m
Flight
255.23 mi
410.76 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
255.23 mi
Kilometers
410.76 km
Flight Time
00h 30m

Driving Distance

Road route
310.61 mi
Kilometers
499.88 km
Drive Time
05h 59m

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 59m.

Arrival Snapshot
Arrive in Rockport
Sun, Nov 8, 8:41 PM CST
Return by in Portage
Mon, Nov 9, 2:41 AM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Portage
2026-11-08T14:41
Arrive Rockport
Sun, Nov 8, 8:41 PM CST
Route Timing
05h 59m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CST
Leave early for more breathing room
Arrive between
12:00 PM to 2:00 PM CST

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

Leave by
5:00 AM CST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Portage
9:00 PM CST
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
Speedway
IN

Town in Wayne Township, Marion County, Indiana

From Portage
155.3 mi
02h 59m
To Rockport
155.3 mi
02h 59m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
57°F
Sunday

Mostly Sunny

Starts
Sun, Nov 8 6:00 AM CST
Wind
10 to 15 mph WSW
Destination
59°F
Today

Widespread Frost then Sunny

Starts
Sun, Nov 8 7:00 AM CST
Wind
2 to 9 mph WSW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    13.7 mi · 16 min

  18. 18

    Take the exit slight right toward I 69 South: Evansville

    1.3 km · 2 min

  19. 19

    Continue straight

    47.5 mi · 53 min

  20. 20

    Keep slight left to continue on I 69 South: Evansville

    27 mi · 29 min

  21. 21

    Take the exit slight right toward US 231: Bloomfield, Crane

    2002 ft · 42 sec

  22. 22

    Keep slight left

    32 m · 3 sec

  23. 23

    Turn left

    17 mi · 23 min

  24. 24

    Turn right onto West Broadway Street

    919 ft · 12 sec · West Broadway Street

  25. 25

    Continue on Mill Street

    14.3 mi · 16 min · Mill Street

  26. 26

    Continue straight

    6.1 mi · 7 min

  27. 27

    Turn right onto West 6th Street

    35.4 mi · 43 min · West 6th Street

  28. 28

    Take the exit slight right

    1.4 km · 2 min

  29. 29

    Turn right

    1.7 mi · 3 min

  30. 30

    Arrive at your destination

    0 m · 1 sec · South 5th Street

Car Route Details

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

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
30 steps
5 turns on the saved route
Ramps & Exits
10
3 merges, 7 ramps or exits
Navigation Density
9.7 / 100 mi
Decision points by distance
Main Roads
Casimir Pulaski Memorial Highway
136 mi · 44%
I 69 South
75.2 mi · 24%
West 6th Street
36.3 mi · 12%
Mill Street
20.4 mi · 7%
I 465 South
14.6 mi · 5%
I 94 West
3.04 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
05h 59m
Long day trip
Same-Day Return
12h 00m
Round-trip wheel time
Road vs Air
+55.3 mi
255.3 mi direct line
Halfway Stop
Speedway
02h 59m from Portage
Leave By
5:00 AM CST
Early departure recommended
Weather Watch

Mostly Sunny leaving Portage and Widespread Frost then Sunny near Rockport.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 310.6 miles (499.9 km) and usually takes 05h 59m 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?

Speedway is a useful midpoint, sitting about 155.3 miles from Portage and 155.3 miles from Rockport.

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

The direct path is about 255.3 miles (410.8 km), while the road route adds roughly 55.3 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 CST. If you want a more comfortable same-day return, try to leave by 5:00 AM CST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $39.92 one way or $79.83 round trip. Estimated CO2 is about 97.4 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Portage and Widespread Frost then Sunny near Rockport.

Stop Ideas Near Speedway

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Speedway and the surrounding midpoint area.
Avon Town Hall Park
Scenic stop 8.2 mi away

Avon Town Hall Park

Avon , IN
6570 E US Hwy 36, Avon, IN 46123, United States
Rating 4.7/5 886 reviews Tourist attraction,City park
Stop photo coming soon
Meeting point 8.4 mi away

Woodruff Place Town Hall

Indianapolis , IN
735 Woodruff Pl E Dr, Indianapolis, IN 46201
Rating 5.0/5 4 reviews City Hall
City Centre
Nearby stop 5.9 mi away

City Centre

Indianapolis , IN
W Empire St, Indianapolis, IN 46225
Rating 3.0/5 1 reviews

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Speedway.

RAIL

Indianapolis Union Station

10 mi away
350 South Illinois Street
RAIL

Crawfordsville

60 mi away
Spring and Green Streets
BUS

Crawfordsville (Bus), Indiana

62 mi away
1000 Smith Ave
RAIL

Lafayette station

87 mi away
200 North 2nd St.

Flight Path Map

This map shows the direct air route between Portage and Rockport. Straight-line distance: 255.23 mi (410.76 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 Rockport

Rockport is a place in Indiana, United States.

Population0
Coordinates37.8831100, -87.0494400
Altitude134
CountryUnited States
Start: Portage (-87.17615, 41.57587)
End: Rockport (-87.04944, 37.88311)

Estimated Travel Time

Distance: 500 km by road

SpeedTime
30 mph (48.3 km/h)10h 20m
40 mph (64.37 km/h)07h 45m
50 mph (80.47 km/h)06h 12m
60 mph (96.56 km/h)05h 10m
70 mph (112.65 km/h)04h 26m
80 mph (129 km/h)03h 52m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.96 gal
41.49 L · about $39.92
Round trip
$79.83
21.92 gal · 82.98 L
Estimated CO2
97.4 kg one way
Round trip: 194.8 kg / 429 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.64 $39.92 $79.83
Mid-grade $4.25 $46.58 $93.16
Premium $4.79 $52.45 $104.91
Diesel $6.65 $72.91 $145.81

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 · Nov 08, 2026

There is no time difference between Portage and Rockport. The current time is 14:41:32.

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.