New Orleans to Houston: Exactly 511 km (318 mi)

New Orleans, United States → Houston, United States · ✈ 1h 8min · 🚗 8h 18min

511
Kilometers
318
Miles
~1h 8min
Flight Time
~8h 18min
Driving Time

276 nautical miles · Time difference: Same timezone · Direction: west

Quick Answer

The distance from New Orleans to Houston is 511 km (318 miles). The fastest way to travel is by flight. A direct flight takes approximately 1h 8min.

Distance Overview: New Orleans to Houston

The straight-line distance from New Orleans, United States to Houston, United States is approximately 511 kilometers (318 miles or 276 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.

Houston is located west of New Orleans. New Orleans is in North America, in the South region of United States, while Houston is in North America, in South, United States. Both cities are in North America.

Travel Options: New Orleans to Houston

ModeDistanceEst. TimeBest For
✈️ Flight 511 km ~1h 8min Best option for speed
🚗 Drive ~664 km ~8h 18min Feasible with breaks
🚂 Regular Train ~613 km ~5h 7min Scenic but slow

Our recommendation: flight is typically the best way to travel from New Orleans to Houston. For 511 km, flying saves significant time and is usually the most practical choice.

Driving Cost Estimate

Based on an estimated road distance of 664 km, fuel costs for driving from New Orleans to Houston are approximately $53–$100 USD (at $0.08–$0.15 per km, depending on vehicle efficiency and local fuel prices). Additional costs may include tolls, parking, and accommodation for longer trips.

Coordinates & Bearing

New Orleans sits at 29.9511°N, 90.0715°W, while Houston is located at 29.7604°N, 95.3698°W. The initial compass bearing from New Orleans to Houston is 269° (W), so a great-circle flight path leaves New Orleans heading roughly W. Because the Earth is curved, the actual heading shifts gradually along the route — pilots and navigation systems update it continuously instead of holding a single fixed compass bearing.

The latitude difference is 0.19° and the longitude difference is 5.30°. Each degree of latitude represents about 111 km, which is one reason cross-latitude routes feel longer even when the map looks similar to east–west journeys.

Halfway Point

The geographic midpoint between New Orleans and Houston is approximately 29.8822°N, 92.7232°W. This is the great-circle halfway position — the spot where you would be exactly 256 km from each city. For road trips, a stop near this latitude/longitude makes for a natural overnight or lunch break.

Time Zone Difference

New Orleans and Houston share the same approximate time zone, so meetings, calls, and arrivals don't require any clock adjustment. This makes the route especially convenient for short business trips. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.

About New Orleans

New Orleans is a major city in United States with a population of approximately 383,997. Located in the South region, it is an important hub in North America. Despite its smaller size, New Orleans plays an important regional role in United States and attracts visitors year-round.

About Houston

Houston is a notable city in United States with a population of approximately 2,320,268. Situated in the South region, it serves as a key destination in North America. Houston offers solid transport connections and a variety of arrival options as a major city in United States.

See all distances from Houston

Distance in Context

511 km is a medium-distance route, similar to traveling across a mid-sized European country. A flight covers this distance quickly, but driving or rail travel remains feasible for those who prefer ground transport. For reference, New York to Chicago is about 1,150 km.

Did You Know?

At 511 km, the New Orleans-Houston route is about 1.3% of Earth's circumference. A commercial jet covers this distance in about 1h 8min.

Other Routes from New Orleans

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Frequently Asked Questions

How far is New Orleans from Houston?

The straight-line distance from New Orleans to Houston is approximately 511 kilometers (318 miles, 276 nautical miles).

How long does it take to fly from New Orleans to Houston?

A direct flight takes approximately 1h 8min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.

How long is the drive from New Orleans to Houston?

Estimated driving time is approximately 8h 18min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.

What is the time difference between New Orleans and Houston?

Houston is approximately Same timezone compared to New Orleans.

What is the road distance from New Orleans to Houston?

The estimated road distance is approximately 664 km, which is about 30% longer than the 511 km straight-line distance.

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📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: May 30, 2026.