Johannesburg, South Africa → Port Louis, Mauritius · ✈ 4h 21min · 🚗 50h 1min
1,662 nautical miles · Time difference: +2h ahead · Direction: northeast
The distance from Johannesburg to Port Louis is 3,078 km (1,913 miles). The fastest way to travel is by flight. A direct flight takes approximately 4h 21min.
The straight-line distance from Johannesburg, South Africa to Port Louis, Mauritius is approximately 3,078 kilometers (1,913 miles or 1,662 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
Port Louis is located northeast of Johannesburg. Johannesburg is in Africa, in the Gauteng region of South Africa, while Port Louis is in Africa, in Port Louis, Mauritius. Both cities are in Africa.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 3,078 km | ~4h 21min | Best option for speed |
| 🚗 Drive | ~4,001 km | ~50h 1min | Long journey, consider stops |
Our recommendation: flight is typically the best way to travel from Johannesburg to Port Louis. For 3,078 km, flying saves significant time and is usually the most practical choice.
Based on an estimated road distance of 4,001 km, fuel costs for driving from Johannesburg to Port Louis are approximately $320–$600 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.
Johannesburg sits at 26.2041°S, 28.0473°E, while Port Louis is located at 20.1609°S, 57.5012°E. The initial compass bearing from Johannesburg to Port Louis is 84° (E), so a great-circle flight path leaves Johannesburg heading roughly E. 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 6.04° and the longitude difference is 29.45°. 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.
The geographic midpoint between Johannesburg and Port Louis is approximately 23.8827°S, 43.1147°E. This is the great-circle halfway position — the spot where you would be exactly 1,539 km from each city. On long-haul flights this point usually falls over open ocean or remote terrain, which is why in-flight maps often look "empty" mid-route.
Port Louis is roughly 2 hours ahead of Johannesburg. When it is 09:00 in Johannesburg, it is approximately 11:00 in Port Louis. A 2-hour shift is small enough that most travelers adjust within a day. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.
Johannesburg is a major city in South Africa with a population of approximately 5,635,127. Located in the Gauteng region, it is an important hub in Africa. As one of the largest cities in South Africa, Johannesburg is a major international gateway with extensive air connections and multiple airports.
→ See all distances from Johannesburg
Port Louis is a notable city in Mauritius with a population of approximately 149,194. Situated in the Port Louis region, it serves as a key destination in Africa. Port Louis is a popular destination in the Port Louis region of Mauritius, known for its unique character and attractions.
3,078 km is a long-distance route that typically requires air travel. This is comparable to spanning a large continent. For context, London to Dubai is about 5,500 km.
The 3,078 km between Johannesburg and Port Louis means a beam of light could travel this distance in approximately 10.3 milliseconds — but a flight still takes 4h 21min.
The straight-line distance from Johannesburg to Port Louis is approximately 3,078 kilometers (1,913 miles, 1,662 nautical miles).
A direct flight takes approximately 4h 21min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 50h 1min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Port Louis is approximately +2h ahead compared to Johannesburg.
The estimated road distance is approximately 4,001 km, which is about 30% longer than the 3,078 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: April 21, 2026.