Hanoi to Luang Prabang: Exactly 406 km (252 mi)

Hanoi, Vietnam → Luang Prabang, Laos · ✈ 1h · 🚗 6h 36min

406
Kilometers
252
Miles
~1h
Flight Time
~6h 36min
Driving Time

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

Quick Answer

The distance from Hanoi to Luang Prabang is 406 km (252 miles). The fastest way to travel is by flight. A direct flight takes approximately 1h.

Distance Overview: Hanoi to Luang Prabang

The straight-line distance from Hanoi, Vietnam to Luang Prabang, Laos is approximately 406 kilometers (252 miles or 219 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.

Luang Prabang is located west of Hanoi. Hanoi is in Asia, in the Red River Delta region of Vietnam, while Luang Prabang is in Asia, in Luang Prabang, Laos. Both cities are in Asia.

Travel Options: Hanoi to Luang Prabang

ModeDistanceEst. TimeBest For
✈️ Flight 406 km ~1h Quick but may not save time with airport procedures
🚗 Drive ~528 km ~6h 36min Feasible with breaks
🚂 Regular Train ~487 km ~4h 4min Budget-friendly option

Our recommendation: flight is typically the best way to travel from Hanoi to Luang Prabang. At this distance, driving gives you the most flexibility and avoids airport overhead.

Driving Cost Estimate

Based on an estimated road distance of 528 km, fuel costs for driving from Hanoi to Luang Prabang are approximately $42–$79 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

Hanoi sits at 21.0278°N, 105.8342°E, while Luang Prabang is located at 19.8856°N, 102.1347°E. The initial compass bearing from Hanoi to Luang Prabang is 252° (WSW), so a great-circle flight path leaves Hanoi heading roughly WSW. 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 1.14° and the longitude difference is 3.70°. 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 Hanoi and Luang Prabang is approximately 20.4665°N, 103.9776°E. This is the great-circle halfway position — the spot where you would be exactly 203 km from each city. For road trips, a stop near this latitude/longitude makes for a natural overnight or lunch break.

Time Zone Difference

Hanoi and Luang Prabang 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 Hanoi

Hanoi is a major city in Vietnam with a population of approximately 8,053,663. Located in the Red River Delta region, it is an important hub in Asia. As one of the largest cities in Vietnam, Hanoi is a major international gateway with extensive air connections and multiple airports.

See all distances from Hanoi

About Luang Prabang

Luang Prabang is a notable city in Laos with a population of approximately 56,000. Situated in the Luang Prabang region, it serves as a key destination in Asia. Luang Prabang is a popular destination in the Luang Prabang region of Laos, known for its unique character and attractions.

Distance in Context

406 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 406 km, the Hanoi-Luang Prabang route is about 1.0% of Earth's circumference. A commercial jet covers this distance in about 1h.

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Frequently Asked Questions

How far is Hanoi from Luang Prabang?

The straight-line distance from Hanoi to Luang Prabang is approximately 406 kilometers (252 miles, 219 nautical miles).

How long does it take to fly from Hanoi to Luang Prabang?

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

How long is the drive from Hanoi to Luang Prabang?

Estimated driving time is approximately 6h 36min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.

What is the time difference between Hanoi and Luang Prabang?

Luang Prabang is approximately Same timezone compared to Hanoi.

What is the road distance from Hanoi to Luang Prabang?

The estimated road distance is approximately 528 km, which is about 30% longer than the 406 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: April 21, 2026.