How far is City of Gary, IN from Monrovia, IN?
The driving distance from City of Gary, IN to Monrovia, IN is about 167.9 miles (270.2 km), with a travel time of about 03h 13m by car.
- The straight-line flight distance is about 146.5 miles (235.8 km).
- For a round trip, plan for roughly 06h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 03h 13m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between City of Gary and Monrovia.
Turn-by-Turn Driving Directions
Step-by-step road directions between City of Gary and Monrovia.
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1
Start on the route
104 m ยท 27 sec
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2
Turn right onto West 8th Avenue
875 ft ยท 33 sec ยท West 8th Avenue
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3
Turn left onto Madison Street
1992 ft ยท 1 min ยท Madison Street
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4
Turn right onto West 5th Avenue
1.8 mi ยท 3 min ยท West 5th Avenue
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5
Turn right onto Casimir Pulaski Memorial Highway
132.6 mi ยท 2 hr 25 min ยท Casimir Pulaski Memorial Highway
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6
Keep slight left
5.9 mi ยท 7 min
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7
Take the exit slight right toward I 465 South
1210 ft ยท 30 sec
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8
Continue on I 465 South
1 km ยท 1 min
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9
Merge slight left
9.5 mi ยท 11 min
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10
Take the exit slight right toward I 70: Saint Louis, Indianapolis International Airport, Indianapolis
1336 ft ยท 33 sec
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11
Keep slight right to continue on I 70 West: Saint Louis, Indianapolis International Airport
2.6 mi ยท 5 min
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12
Keep slight left to continue on I 70 West: Saint Louis
1755 ft ยท 43 sec
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13
Merge slight left onto Dwight D Eisenhower Highway
10.5 mi ยท 11 min ยท Dwight D Eisenhower Highway
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14
Take the exit slight right toward SR 39: Belleville, Monrovia
1407 ft ยท 27 sec
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15
Keep slight left to continue on Monrovia
105 m ยท 10 sec
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16
Turn straight
2.4 mi ยท 4 min
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17
Turn right
815 ft ยท 18 sec
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18
Turn right onto North Water Street
10 m ยท 1 sec ยท North Water Street
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19
Arrive at your destination
0 m ยท 1 sec ยท North Water Street
Car Route Details
A richer read on the saved driving route between City of Gary and Monrovia.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Casimir Pulaski Memorial Highway
Turn right onto Casimir Pulaski Memorial Highway
133 mi ยท 02h 25m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Showers And Thunderstorms leaving City of Gary and Slight Chance Showers And Thunderstorms near Monrovia.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from City of Gary to Monrovia?
The road trip is about 167.9 miles (270.2 km) and usually takes 03h 13m 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?
Battle Ground is a useful midpoint, sitting about 84 miles from City of Gary and 83.9 miles from Monrovia.
How much longer is the road route than the straight-line distance?
The direct path is about 146.5 miles (235.8 km), while the road route adds roughly 21.4 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:34 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.25 one way or $44.50 round trip. Estimated CO2 is about 52.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between City of Gary and Monrovia, 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 City of Gary and Slight Chance Showers And Thunderstorms near Monrovia.
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 City of Gary and Monrovia. Straight-line distance: 146.51 mi (235.78 km).
#1 City of Gary
The most populous city in Lake County, Indiana.
| Population | 80,294 |
| Coordinates | 41.5956000, -87.3452100 |
| Altitude | 185 |
| Country | United States |
#2 Monrovia
Human settlement in Morgan County, Indiana, United States of America
| Population | 1,670 |
| Coordinates | 39.5789400, -86.4822200 |
| Altitude | 244 |
| Country | United States |
End: Monrovia (-86.48222, 39.57894)
Estimated Travel Time
Distance: 270 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 35m |
| 40 mph (64.37 km/h) | 04h 11m |
| 50 mph (80.47 km/h) | 03h 21m |
| 60 mph (96.56 km/h) | 02h 47m |
| 70 mph (112.65 km/h) | 02h 23m |
| 80 mph (129 km/h) | 02h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.75 | $22.25 | $44.50 |
| Mid-grade | $4.31 | $25.58 | $51.15 |
| Premium | $4.85 | $28.75 | $57.51 |
| Diesel | $6.29 | $37.28 | $74.56 |
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 ยท Sep 17, 2026