How far is Monroe, LA from Port Allen, LA?
The estimated driving distance from Monroe, LA to Port Allen, LA is about 189.9 miles (305.6 km), with a travel time of about 03h 56m by car.
- This page is using an estimated road distance while the full route geometry is refreshed.
- The straight-line flight distance is about 151.9 miles (244.5 km).
- For a round trip, plan for roughly 07h 53m 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 56m.
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.
Small town in Concordia Parish, Louisiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
Road route is being refreshed. This page currently uses an estimated driving distance.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monroe and Port Allen.
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.
Mostly Sunny leaving Monroe and Mostly Sunny then Slight Chance Showers And Thunderstorms near Port Allen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Monroe to Port Allen?
The road trip is about 189.9 miles (305.6 km) and usually takes 03h 56m 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?
Ridgecrest is a useful midpoint, sitting about 75.9 miles from Monroe and 113.9 miles from Port Allen.
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 38 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 9:06 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.37 one way or $50.75 round trip. Estimated CO2 is about 59.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Monroe and Mostly Sunny then Slight Chance Showers And Thunderstorms near Port Allen.
Stop Ideas Near Ridgecrest
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 Ridgecrest.
Vicksburg, MS
Brookhaven
McComb
Hazlehurst station
Flight Path Map
This map shows the direct air route between Monroe and Port Allen. Straight-line distance: 151.89 mi (244.45 km).
#1 Monroe
The most populous city in Ouachita Parish, Louisiana.
| Population | 46,998 |
| Coordinates | 32.5093100, -92.1193000 |
| Altitude | 23 |
| Country | United States |
#2 Port Allen
City in Louisiana, United States of America
| Population | 4,720 |
| Coordinates | 30.4521400, -91.2101100 |
| Altitude | 8 |
| Country | United States |
End: Port Allen (-91.21011, 30.45214)
Estimated Travel Time
Distance: 306 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 19m |
| 40 mph (64.37 km/h) | 04h 44m |
| 50 mph (80.47 km/h) | 03h 47m |
| 60 mph (96.56 km/h) | 03h 09m |
| 70 mph (112.65 km/h) | 02h 42m |
| 80 mph (129 km/h) | 02h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $25.37 | $50.75 |
| Mid-grade | $4.26 | $28.54 | $57.07 |
| Premium | $4.63 | $30.99 | $61.98 |
| Diesel | $5.42 | $36.28 | $72.56 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
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