How far is Monroe, LA from Saint Martinville, LA?

The driving distance from Monroe, LA to Saint Martinville, LA is about 198.9 miles (320.1 km), with a travel time of about 03h 50m by car.

  • The straight-line flight distance is about 165.6 miles (266.5 km).
  • For a round trip, plan for roughly 07h 41m 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
198.88 mi
03h 50m
Flight
165.59 mi
266.49 km direct

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

Learn Distance

Choose another destination from Monroe.

Flight Distance

Direct air line
165.59 mi
Kilometers
266.49 km
Flight Time
00h 19m

Driving Distance

Road route
198.88 mi
Kilometers
320.06 km
Drive Time
03h 50m

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 50m.

Arrival Snapshot
Arrive in Saint Martinville
Thu, Apr 23, 5:26 AM CDT
Return by in Monroe
Thu, Apr 23, 9:17 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Monroe
2026-04-23T01:36
Arrive Saint Martinville
Thu, Apr 23, 5:26 AM CDT
Route Timing
03h 50m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:51 AM to 11:51 AM CDT

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

Leave by
9:18 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Monroe
9:00 PM CDT
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
Alexandria
LA

The capital of Louisiana.

From Monroe
99.6 mi
01h 55m
To Saint Martinville
99.3 mi
01h 55m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Chance Showers And Thunderstorms

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 10 mph S
Destination
82°F
Thursday

Chance Showers And Thunderstorms

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 15 mph SE

Driving Route Map

The map below follows the saved road route between Monroe and Saint Martinville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Monroe and Saint Martinville.

  1. 1

    Start on the route

    12 m · 8 sec

  2. 2

    Turn left

    14 m · 5 sec

  3. 3

    Turn right onto Louisville Avenue

    81 m · 9 sec · Louisville Avenue

  4. 4

    Turn right onto North 5th Street

    1103 ft · 19 sec · North 5th Street

  5. 5

    Continue on North 5th Street

    140 m · 8 sec · North 5th Street

  6. 6

    Continue on Lea Joyner Memorial Expressway

    1.1 km · 1 min · Lea Joyner Memorial Expressway

  7. 7

    Take the ramp left

    958 ft · 23 sec

  8. 8

    Merge slight left

    1.6 km · 1 min

  9. 9

    Take the exit slight right toward US 165: Bastrop, Columbia

    1183 ft · 29 sec

  10. 10

    Keep slight right to continue on US 165 South: Columbia

    1198 ft · 29 sec

  11. 11

    Merge slight left onto Martin Luther King Jr Drive

    88.7 mi · 1 hr 44 min · Martin Luther King Jr Drive

  12. 12

    Turn left onto US 165 North: Monroe

    1473 ft · 36 sec

  13. 13

    Merge slight left onto Pineville Expressway

    4.2 mi · 6 min · Pineville Expressway

  14. 14

    Keep slight left to continue on I 49 South, US 167 South: Opelousas

    1.2 km · 1 min

  15. 15

    Merge slight left onto Martin Luther King, Jr Highway

    76 mi · 1 hr 17 min · Martin Luther King, Jr Highway

  16. 16

    Continue on Veterans Memorial Expressway

    8.8 mi · 9 min · Veterans Memorial Expressway

  17. 17

    Continue on Northwest Evangeline Thruway

    2.2 mi · 4 min · Northwest Evangeline Thruway

  18. 18

    Continue straight

    6.3 mi · 9 min

  19. 19

    Keep slight right to continue on Southwest Evangeline Thruway

    2549 ft · 33 sec · Southwest Evangeline Thruway

  20. 20

    Keep slight right to continue on Southwest Evangeline Thruway

    1.1 km · 47 sec · Southwest Evangeline Thruway

  21. 21

    Take the exit slight right

    1.2 km · 1 min

  22. 22

    Turn left onto State Route 96

    1 mi · 2 min · State Route 96

  23. 23

    Continue on Terrace Highway

    5.6 mi · 10 min · Terrace Highway

  24. 24

    Continue on West Port Street

    2081 ft · 47 sec · West Port Street

  25. 25

    Turn left onto South Vivier Street

    698 ft · 33 sec · South Vivier Street

  26. 26

    Turn right onto West Bridge Street

    45 m · 6 sec · West Bridge Street

  27. 27

    Arrive at your destination

    0 m · 1 sec · West Bridge Street

Car Route Details

A richer read on the saved driving route between Monroe and Saint Martinville.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
27 steps
7 turns on the saved route
Ramps & Exits
7
4 merges, 3 ramps or exits
Navigation Density
13.6 / 100 mi
Decision points by distance
Main Roads
Martin Luther King Jr Drive
88.7 mi · 45%
Martin Luther King, Jr Highway
38 mi · 19%
Martin Luther King
38 mi · 19%
Veterans Memorial Expressway
8.75 mi · 4%
Northwest Evangeline Thruway
8.43 mi · 4%
Terrace Highway
5.61 mi · 3%
Longest Stretch

Martin Luther King Jr Drive

Merge slight left onto Martin Luther King Jr Drive

88.7 mi · 01h 44m

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 50m
Long day trip
Same-Day Return
07h 42m
Round-trip wheel time
Road vs Air
+33.3 mi
165.6 mi direct line
Halfway Stop
Alexandria
01h 55m from Monroe
Leave By
9:18 AM CDT
Early departure recommended
Weather Watch

Chance Showers And Thunderstorms leaving Monroe and Chance Showers And Thunderstorms near Saint Martinville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Monroe to Saint Martinville?

The road trip is about 198.9 miles (320.1 km) and usually takes 03h 50m 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?

Alexandria is a useful midpoint, sitting about 99.6 miles from Monroe and 99.3 miles from Saint Martinville.

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

The direct path is about 165.6 miles (266.5 km), while the road route adds roughly 33.3 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 CDT. If you want a more comfortable same-day return, try to leave by 9:18 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $26.58 one way or $53.17 round trip. Estimated CO2 is about 62.4 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms around Monroe and Chance Showers And Thunderstorms near Saint Martinville.

Flight Path Map

This map shows the direct air route between Monroe and Saint Martinville. Straight-line distance: 165.59 mi (266.49 km).

Monroe

#1 Monroe

The most populous city in Ouachita Parish, Louisiana.

Population46,998
Coordinates32.5093100, -92.1193000
Altitude23
CountryUnited States
Saint Martinville

#2 Saint Martinville

City in Louisiana, USA

Population5,676
Coordinates30.1252000, -91.8334500
Altitude7
CountryUnited States
Start: Monroe (-92.1193, 32.50931)
End: Saint Martinville (-91.83345, 30.1252)

Estimated Travel Time

Distance: 320 km by road

SpeedTime
30 mph (48.3 km/h)06h 37m
40 mph (64.37 km/h)04h 58m
50 mph (80.47 km/h)03h 58m
60 mph (96.56 km/h)03h 18m
70 mph (112.65 km/h)02h 50m
80 mph (129 km/h)02h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.02 gal
26.56 L · about $26.58
Round trip
$53.17
14.04 gal · 53.12 L
Estimated CO2
62.4 kg one way
Round trip: 124.8 kg / 275 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.79 $26.58 $53.17
Mid-grade $4.26 $29.90 $59.80
Premium $4.63 $32.47 $64.94
Diesel $5.42 $38.01 $76.03

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 Louisiana · Apr 23, 2026

There is no time difference between Monroe and Saint Martinville. The current time is 01:36:02.

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.