How far is Port Allen, LA from Monroe, LA?

The driving distance from Port Allen, LA to Monroe, LA is about 188.1 miles (302.7 km), with a travel time of about 03h 16m by car.

  • The straight-line flight distance is about 151.9 miles (244.5 km).
  • For a round trip, plan for roughly 06h 32m 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
188.07 mi
03h 16m
Flight
151.89 mi
244.45 km direct

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

Learn Distance

Choose another destination from Port Allen.

Flight Distance

Direct air line
151.89 mi
Kilometers
244.45 km
Flight Time
00h 18m

Driving Distance

Road route
188.07 mi
Kilometers
302.67 km
Drive Time
03h 16m

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 16m.

Arrival Snapshot
Arrive in Monroe
Fri, Apr 10, 6:58 PM CDT
Return by in Port Allen
Fri, Apr 10, 10:14 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Port Allen
2026-04-10T15:42
Arrive Monroe
Fri, Apr 10, 6:58 PM CDT
Route Timing
03h 16m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:16 AM to 11:16 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
10:28 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Port Allen
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
Vidalia
LA

Largest city and the parish seat of Concordia Parish, Louisiana, United States

From Port Allen
93.3 mi
01h 38m
To Monroe
94.8 mi
01h 38m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Friday

Mostly Sunny then Slight Chance Showers And Thunderstorms

Starts
Fri, Apr 10 6:00 AM CDT
Wind
5 to 10 mph E
Destination
85°F
Friday

Mostly Sunny

Starts
Fri, Apr 10 6:00 AM CDT
Wind
0 to 5 mph SE

Driving Route Map

The map below follows the saved road route between Port Allen and Monroe.

Turn-by-Turn Driving Directions

Step-by-step road directions between Port Allen and Monroe.

  1. 1

    Start on South Alexander Avenue

    13 m · 7 sec · South Alexander Avenue

  2. 2

    Turn left onto Court Street

    18 m · 6 sec · Court Street

  3. 3

    Turn right onto Dr Martin Luther King Jr Memorial Highway

    1.2 km · 1 min · Dr Martin Luther King Jr Memorial Highway

  4. 4

    Continue on Highway 1 North

    3 mi · 4 min · Highway 1 North

  5. 5

    Merge slight left onto Airline Highway

    2.1 mi · 3 min · Airline Highway

  6. 6

    Take the exit right

    1019 ft · 28 sec

  7. 7

    Turn straight onto Scenic Highway

    671 ft · 17 sec · Scenic Highway

  8. 8

    Continue on Scenic Highway

    6.3 mi · 10 min · Scenic Highway

  9. 9

    Continue on Samuels Road

    75.7 mi · 1 hr 29 min · Samuels Road

  10. 10

    Turn left

    566 ft · 18 sec

  11. 11

    Continue on John R Junkin Drive

    2.4 mi · 3 min · John R Junkin Drive

  12. 12

    Continue on Natchez-Vidalia Bridge

    10.6 mi · 12 min · Natchez-Vidalia Bridge

  13. 13

    Continue on E. E. Wallace Boulevard North

    63.2 mi · 1 hr 13 min · E. E. Wallace Boulevard North

  14. 14

    Turn left

    1459 ft · 36 sec

  15. 15

    Merge slight left

    20.3 mi · 22 min

  16. 16

    Take the exit slight right toward US 165 BUS, LA 15: Civic Center

    775 ft · 19 sec

  17. 17

    Keep slight right

    93 m · 7 sec

  18. 18

    Turn straight onto Lea Joyner Memorial Expressway

    2694 ft · 46 sec · Lea Joyner Memorial Expressway

  19. 19

    Continue on North 6th Street

    1643 ft · 35 sec · North 6th Street

  20. 20

    Turn left onto Louisville Avenue

    628 ft · 18 sec · Louisville Avenue

  21. 21

    Turn left

    14 m · 5 sec

  22. 22

    Turn right

    12 m · 3 sec

  23. 23

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Port Allen and Monroe.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
23 steps
9 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
12.2 / 100 mi
Decision points by distance
Main Roads
E. E. Wallace Boulevard North
83.5 mi · 44%
Samuels Road
75.7 mi · 40%
Natchez-Vidalia Bridge
10.6 mi · 6%
Scenic Highway
6.42 mi · 3%
Highway 1 North
2.98 mi · 2%
John R Junkin Drive
2.42 mi · 1%
Longest Stretch

Samuels Road

Continue on Samuels Road

75.7 mi · 01h 29m

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 16m
Long day trip
Same-Day Return
06h 32m
Round-trip wheel time
Road vs Air
+36.2 mi
151.9 mi direct line
Halfway Stop
Vidalia
01h 38m from Port Allen
Leave By
10:28 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny then Slight Chance Showers And Thunderstorms leaving Port Allen and Mostly Sunny near Monroe.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Port Allen to Monroe?

The road trip is about 188.1 miles (302.7 km) and usually takes 03h 16m 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?

Vidalia is a useful midpoint, sitting about 93.3 miles from Port Allen and 94.8 miles from Monroe.

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

The direct path is about 151.9 miles (244.5 km), while the road route adds roughly 36.2 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 10:28 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $25.15 one way or $50.29 round trip. Estimated CO2 is about 59 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around Port Allen and Mostly Sunny near Monroe.

Stop Ideas Near Vidalia

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

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

RAIL

Brookhaven

93 mi away
East Monticello St. and South Railroad Ave.
BUS

Vicksburg, MS

98 mi away
1295 South Frontage Road
RAIL

McComb

99 mi away
114 Northeast Railroad Ave.
RAIL

Hazlehurst station

103 mi away
North Ragsdale Ave and East Conway St.

Flight Path Map

This map shows the direct air route between Port Allen and Monroe. Straight-line distance: 151.89 mi (244.45 km).

Port Allen

#1 Port Allen

City in Louisiana, United States of America

Population4,720
Coordinates30.4521400, -91.2101100
Altitude8
CountryUnited States
Monroe

#2 Monroe

The most populous city in Ouachita Parish, Louisiana.

Population46,998
Coordinates32.5093100, -92.1193000
Altitude23
CountryUnited States
Start: South Alexander Avenue (-91.210084, 30.452141)
End: North 4th Street (-92.119438, 32.509236)

Estimated Travel Time

Distance: 303 km by road

SpeedTime
30 mph (48.3 km/h)06h 15m
40 mph (64.37 km/h)04h 42m
50 mph (80.47 km/h)03h 45m
60 mph (96.56 km/h)03h 08m
70 mph (112.65 km/h)02h 41m
80 mph (129 km/h)02h 20m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.64 gal
25.12 L · about $25.15
Round trip
$50.29
13.28 gal · 50.24 L
Estimated CO2
59 kg one way
Round trip: 118 kg / 260 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.79 $25.15 $50.29
Mid-grade $4.26 $28.28 $56.56
Premium $4.63 $30.71 $61.42
Diesel $5.42 $35.96 $71.91

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 10, 2026

There is no time difference between Port Allen and Monroe. The current time is 15:42:01.

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.