How far is Hammond, IN from Monrovia, IN?

The driving distance from Hammond, IN to Monrovia, IN is about 173.4 miles (279.1 km), with a travel time of about 03h 21m by car.

  • The straight-line flight distance is about 148.4 miles (238.9 km).
  • For a round trip, plan for roughly 06h 42m 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
173.41 mi
03h 21m
Flight
148.43 mi
238.88 km direct

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

Learn Distance

Choose another destination from Hammond.

Flight Distance

Direct air line
148.43 mi
Kilometers
238.88 km
Flight Time
00h 17m

Driving Distance

Road route
173.41 mi
Kilometers
279.08 km
Drive Time
03h 21m

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 21m.

Arrival Snapshot
Arrive in Monrovia
Thu, Apr 23, 12:20 PM EDT
Return by in Hammond
Thu, Apr 23, 2:41 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Hammond
2026-04-23T07:59
Arrive Monrovia
Thu, Apr 23, 11:20 AM CDT
Route Timing
03h 21m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:21 AM to 12:21 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
10:18 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Hammond
9:00 PM CDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Brookston
IN

City in St.

From Hammond
86.7 mi
01h 40m
To Monrovia
86.7 mi
01h 40m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 15 mph S
Destination
80°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
6 to 14 mph SSW

Driving Route Map

The map below follows the saved road route between Hammond and Monrovia.

Turn-by-Turn Driving Directions

Step-by-step road directions between Hammond and Monrovia.

  1. 1

    Start on Columbia Avenue

    830 ft · 30 sec · Columbia Avenue

  2. 2

    Turn left onto 173rd Street

    1 km · 2 min · 173rd Street

  3. 3

    Turn right onto Southeastern Avenue

    1667 ft · 46 sec · Southeastern Avenue

  4. 4

    Turn left onto 175th Street

    821 ft · 32 sec · 175th Street

  5. 5

    Turn right onto Indianapolis Boulevard

    1325 ft · 22 sec · Indianapolis Boulevard

  6. 6

    Take the ramp straight toward I 80 East, I 94 East, US 6 East: Detroit

    2284 ft · 56 sec

  7. 7

    Merge slight left onto Borman Expressway

    8.2 mi · 11 min · Borman Expressway

  8. 8

    Take the exit slight right toward I 65 South: Indianapolis

    2002 ft · 34 sec

  9. 9

    Keep slight left

    1.3 km · 2 min

  10. 10

    Merge slight left onto Casimir Pulaski Memorial Highway

    129.3 mi · 2 hr 20 min · Casimir Pulaski Memorial Highway

  11. 11

    Keep slight left

    5.9 mi · 7 min

  12. 12

    Take the exit slight right toward I 465 South

    1210 ft · 30 sec

  13. 13

    Continue on I 465 South

    1 km · 1 min

  14. 14

    Merge slight left

    9.5 mi · 11 min

  15. 15

    Take the exit slight right toward I 70: Saint Louis, Indianapolis International Airport, Indianapolis

    1336 ft · 33 sec

  16. 16

    Keep slight right to continue on I 70 West: Saint Louis, Indianapolis International Airport

    2.6 mi · 5 min

  17. 17

    Keep slight left to continue on I 70 West: Saint Louis

    1755 ft · 43 sec

  18. 18

    Merge slight left onto Dwight D Eisenhower Highway

    10.5 mi · 11 min · Dwight D Eisenhower Highway

  19. 19

    Take the exit slight right toward SR 39: Belleville, Monrovia

    1407 ft · 27 sec

  20. 20

    Keep slight left to continue on Monrovia

    105 m · 10 sec

  21. 21

    Turn straight

    2.4 mi · 4 min

  22. 22

    Turn right

    815 ft · 18 sec

  23. 23

    Turn right onto North Water Street

    10 m · 1 sec · North Water Street

  24. 24

    Arrive at your destination

    0 m · 1 sec · North Water Street

Car Route Details

A richer read on the saved driving route between Hammond and Monrovia.

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
24 steps
7 turns on the saved route
Ramps & Exits
9
4 merges, 5 ramps or exits
Navigation Density
13.8 / 100 mi
Decision points by distance
Main Roads
Casimir Pulaski Memorial Highway
135 mi · 78%
Dwight D Eisenhower Highway
10.5 mi · 6%
I 465 South
10.3 mi · 6%
Borman Expressway
8.16 mi · 5%
I 70 West
2.97 mi · 2%
I 65 South
1.16 mi · 1%
Longest Stretch

Casimir Pulaski Memorial Highway

Merge slight left onto Casimir Pulaski Memorial Highway

129 mi · 02h 20m

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 21m
Long day trip
Same-Day Return
06h 42m
Round-trip wheel time
Road vs Air
+25 mi
148.4 mi direct line
Halfway Stop
Brookston
01h 40m from Hammond
Leave By
10:18 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Hammond and Mostly Sunny near Monrovia.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Hammond to Monrovia?

The road trip is about 173.4 miles (279.1 km) and usually takes 03h 21m 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?

Brookston is a useful midpoint, sitting about 86.7 miles from Hammond and 86.7 miles from Monrovia.

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

The direct path is about 148.4 miles (238.9 km), while the road route adds roughly 25 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 10:18 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.08 one way or $46.16 round trip. Estimated CO2 is about 54.4 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

Before you leave, expect Mostly Sunny around Hammond and Mostly Sunny near Monrovia.

Stop Ideas Near Brookston

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

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

RAIL

Lafayette station

20 mi away
200 North 2nd St.
RAIL

Rensselaer

45 mi away
619 North Cullen Street
BUS

Crawfordsville (Bus), Indiana

59 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 Hammond and Monrovia. Straight-line distance: 148.43 mi (238.88 km).

Hammond

#1 Hammond

The most populous city in Lake County, Indiana.

Population75,342
Coordinates41.5833700, -87.5000400
Altitude183
CountryUnited States
Monrovia

#2 Monrovia

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

Population1,670
Coordinates39.5789400, -86.4822200
Altitude244
CountryUnited States
Start: Hammond (-87.50004, 41.58337)
End: Monrovia (-86.48222, 39.57894)

Estimated Travel Time

Distance: 279 km by road

SpeedTime
30 mph (48.3 km/h)05h 46m
40 mph (64.37 km/h)04h 20m
50 mph (80.47 km/h)03h 28m
60 mph (96.56 km/h)02h 53m
70 mph (112.65 km/h)02h 28m
80 mph (129 km/h)02h 09m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.12 gal
23.16 L · about $23.08
Round trip
$46.16
12.24 gal · 46.32 L
Estimated CO2
54.4 kg one way
Round trip: 108.8 kg / 240 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $23.08 $46.16
Mid-grade $4.25 $26.03 $52.06
Premium $4.65 $28.48 $56.96
Diesel $5.30 $32.46 $64.92

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 23, 2026

Please keep in mind that there is a 1 hour time gap between Hammond, IN and Monrovia, IN. The current time in Hammond is 07:59:20, although it is 08:59:20 in Monrovia.

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.