How far is Monrovia, IN from Portage, IN?
The driving distance from Monrovia, IN to Portage, IN is about 164.5 miles (264.7 km), with a travel time of about 02h 50m by car.
- The straight-line flight distance is about 142.7 miles (229.6 km).
- For a round trip, plan for roughly 05h 40m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 02h 50m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town in Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Isolated Rain Showers then Scattered Showers And Thunderstorms
Sunny then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Monrovia and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monrovia and Portage.
-
1
Start on North Water Street
10 m · 7 sec · North Water Street
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2
Turn left onto West Main Street
815 ft · 21 sec · West Main Street
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3
Turn left onto North Chestnut Street
2675 ft · 1 min · North Chestnut Street
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4
Continue on SR 39
1.8 mi · 3 min · SR 39
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5
Take the ramp slight right toward I 70: Indianapolis
2196 ft · 54 sec
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6
Merge slight left onto Dwight D Eisenhower Highway
9.4 mi · 10 min · Dwight D Eisenhower Highway
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7
Take the exit slight right toward I 465, I 74
2.3 mi · 5 min
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8
Keep slight right to continue on I 465, I 74
1.2 mi · 3 min
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9
Keep slight left to continue on I 465 North, I 74 West: Peoria
1.5 km · 2 min
-
10
Merge slight left
5.5 mi · 6 min
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11
Keep slight left
3.9 mi · 5 min
-
12
Take the exit slight left toward I 65 North: Chicago
1.1 mi · 2 min
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13
Merge slight right
17.9 mi · 20 min
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14
Take the exit slight right toward US 52 West
1281 ft · 16 sec
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15
Keep slight left
786 ft · 10 sec
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16
Merge slight left
117.5 mi · 2 hr 8 min
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17
Take the exit slight right toward I 80 East, I 94 East, US 6 East: Toledo, Detroit
1.4 km · 1 min
-
18
Keep slight right to continue on Central Avenue
1760 ft · 38 sec
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19
Turn right onto Central Avenue
4.3 mi · 9 min · Central Avenue
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20
Continue on Central Avenue
1.4 mi · 3 min · Central Avenue
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21
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Monrovia and Portage.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 52 West
Merge slight left
118 mi · 02h 08m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Isolated Rain Showers then Scattered Showers And Thunderstorms leaving Monrovia and Sunny then Chance Rain Showers near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Monrovia to Portage?
The road trip is about 164.5 miles (264.7 km) and usually takes 02h 50m 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?
Battle Ground is a useful midpoint, sitting about 85 miles from Monrovia and 79.5 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 142.7 miles (229.6 km), while the road route adds roughly 21.8 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 EDT. If you want a more comfortable same-day return, try to leave by 12:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.87 one way or $43.74 round trip. Estimated CO2 is about 51.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Monrovia and Portage, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Isolated Rain Showers then Scattered Showers And Thunderstorms around Monrovia and Sunny then Chance Rain Showers near Portage.
Stop Ideas Near Battle Ground
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Battle Ground.
Lafayette station
Crawfordsville (Bus), Indiana
Crawfordsville
Rensselaer
Flight Path Map
This map shows the direct air route between Monrovia and Portage. Straight-line distance: 142.7 mi (229.65 km).
#1 Monrovia
Human settlement in Morgan County, Indiana, United States of America
| Population | 1,670 |
| Coordinates | 39.5789400, -86.4822200 |
| Altitude | 244 |
| Country | United States |
#2 Portage
The second most populous city in Porter County, Indiana.
| Population | 90,543 |
| Coordinates | 41.5758700, -87.1761500 |
| Altitude | 194 |
| Country | United States |
End: Central Avenue (-87.17615, 41.575874)
Estimated Travel Time
Distance: 265 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 28m |
| 40 mph (64.37 km/h) | 04h 06m |
| 50 mph (80.47 km/h) | 03h 17m |
| 60 mph (96.56 km/h) | 02h 44m |
| 70 mph (112.65 km/h) | 02h 20m |
| 80 mph (129 km/h) | 02h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $21.87 | $43.74 |
| Mid-grade | $4.25 | $24.67 | $49.33 |
| Premium | $4.65 | $26.99 | $53.99 |
| Diesel | $5.30 | $30.76 | $61.53 |
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 · May 04, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.