How far is Porter, IN from West Lafayette, IN?

The driving distance from Porter, IN to West Lafayette, IN is about 100.2 miles (161.2 km), with a travel time of about 01h 40m by car.

  • The straight-line flight distance is about 82.6 miles (133 km).
  • For a round trip, plan for roughly 03h 21m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
100.19 mi
01h 40m
Flight
82.65 mi
133.02 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Porter.

Flight Distance

Direct air line
82.65 mi
Kilometers
133.02 km
Flight Time
00h 09m

Driving Distance

Road route
100.19 mi
Kilometers
161.24 km
Drive Time
01h 40m

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 01h 40m.

Arrival Snapshot
Arrive in West Lafayette
Thu, Oct 15, 2:12 PM EDT
Return by in Porter
Thu, Oct 15, 2:53 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Porter
2026-10-15T11:31
Arrive West Lafayette
Thu, Oct 15, 1:12 PM CDT
Route Timing
01h 40m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:41 AM to 12:41 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:08 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Porter
9:30 PM CDT
Morning start is best

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
Mount Ayr
IN

Human settlement in Newton County, Indiana, United States of America

From Porter
50 mi
00h 50m
To West Lafayette
50.3 mi
00h 50m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
Thursday

Showers And Thunderstorms

Starts
Thu, Oct 15 6:00 AM CDT
Wind
5 to 10 mph ESE
Destination
76°F
This Afternoon

Showers And Thunderstorms

Starts
Thu, Oct 15 12:00 PM EDT
Wind
7 mph SE

Driving Route Map

The map below follows the saved road route between Porter and West Lafayette.

Turn-by-Turn Driving Directions

Step-by-step road directions between Porter and West Lafayette.

  1. 1

    Start on Franklin Street

    121 m · 21 sec · Franklin Street

  2. 2

    Turn right onto Wagner Road

    684 ft · 21 sec · Wagner Road

  3. 3

    Turn left onto East Beam Street

    1.3 km · 3 min · East Beam Street

  4. 4

    Turn left

    1.4 km · 1 min

  5. 5

    Take the ramp slight right

    2695 ft · 1 min

  6. 6

    Merge slight left

    9.4 mi · 11 min

  7. 7

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

    1 km · 52 sec

  8. 8

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

    618 ft · 10 sec

  9. 9

    Keep slight left to continue on I 65 South: Indianapolis

    2686 ft · 60 sec

  10. 10

    Merge slight left onto Casimir Pulaski Memorial Highway

    80.8 mi · 1 hr 28 min · Casimir Pulaski Memorial Highway

  11. 11

    Take the exit slight right toward SR 43: Brookston, West Lafayette

    2054 ft · 45 sec

  12. 12

    Keep slight right to continue on West Lafayette, Indiana Veterans Home, Purdue University, VA Clinic, Tippecanoe, Battlefield, Prophetstown State Park

    65 m · 5 sec

  13. 13

    Turn straight onto North River Road

    5.1 mi · 8 min · North River Road

  14. 14

    Turn right onto Quincy Street

    1236 ft · 60 sec · Quincy Street

  15. 15

    At the end of the road, turn left onto North Salisbury Street

    741 ft · 29 sec · North Salisbury Street

  16. 16

    Turn right onto North Street

    669 ft · 32 sec · North Street

  17. 17

    Turn right onto Northwestern Avenue

    11 m · 2 sec · Northwestern Avenue

  18. 18

    Arrive at your destination

    0 m · 1 sec · Northwestern Avenue

Car Route Details

A richer read on the saved driving route between Porter and West Lafayette.

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
18 steps
8 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
18 / 100 mi
Decision points by distance
Main Roads
Casimir Pulaski Memorial Highway
80.8 mi · 81%
East Beam Street
10.7 mi · 11%
North River Road
5.11 mi · 5%
I 65
0.63 mi · 1%
I 65 South
0.63 mi · 1%
SR 43
0.43 mi
Longest Stretch

Casimir Pulaski Memorial Highway

Merge slight left onto Casimir Pulaski Memorial Highway

80.8 mi · 01h 28m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 40m
Day trip friendly
Same-Day Return
03h 22m
Round-trip wheel time
Road vs Air
+17.6 mi
82.6 mi direct line
Halfway Stop
Mount Ayr
00h 50m from Porter
Leave By
3:08 PM CDT
Morning start is best
Weather Watch

Showers And Thunderstorms leaving Porter and Showers And Thunderstorms near West Lafayette.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Porter to West Lafayette?

The road trip is about 100.2 miles (161.2 km) and usually takes 01h 40m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Mount Ayr is a useful midpoint, sitting about 50 miles from Porter and 50.3 miles from West Lafayette.

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

The direct path is about 82.6 miles (133 km), while the road route adds roughly 17.6 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:08 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $13.63 one way or $27.27 round trip. Estimated CO2 is about 31.4 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Porter and Showers And Thunderstorms near West Lafayette.

Stop Ideas Near Mount Ayr

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

Mid-route Guidance
Local place coverage is thin around Mount Ayr, 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 Mount Ayr.

RAIL

Rensselaer

12 mi away
619 North Cullen Street
RAIL

Kankakee

51 mi away
199 South East Ave.
RAIL

Gilman

62 mi away
US Hwy 24 & West Wenona St.
RAIL

Dyer station

63 mi away
913 Sheffield Avenue

Flight Path Map

This map shows the direct air route between Porter and West Lafayette. Straight-line distance: 82.65 mi (133.02 km).

Porter

#1 Porter

Settlement in Indiana, USA

Population4,840
Coordinates41.6155900, -87.0742000
Altitude195
CountryUnited States
West Lafayette

#2 West Lafayette

The most populous city in Tippecanoe County, Indiana.

Population51,605
Coordinates40.4258700, -86.9080700
Altitude186
CountryUnited States
Start: Franklin Street (-87.074202, 41.615592)
End: Northwestern Avenue (-86.908094, 40.425857)

Estimated Travel Time

Distance: 161 km by road

SpeedTime
30 mph (48.3 km/h)03h 20m
40 mph (64.37 km/h)02h 30m
50 mph (80.47 km/h)02h 00m
60 mph (96.56 km/h)01h 40m
70 mph (112.65 km/h)01h 25m
80 mph (129 km/h)01h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.53 gal
13.38 L · about $13.63
Round trip
$27.27
7.06 gal · 26.76 L
Estimated CO2
31.4 kg one way
Round trip: 62.7 kg / 138 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.86 $13.63 $27.27
Mid-grade $4.46 $15.73 $31.45
Premium $4.99 $17.61 $35.22
Diesel $6.62 $23.37 $46.74

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 · Oct 15, 2026

Please keep in mind that there is a 1 hour time gap between Porter, IN and West Lafayette, IN. The current time in Porter is 11:31:22, although it is 12:31:22 in West Lafayette.

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.