Port Louis, Mauritius → Johannesburg, South Africa · ✈ 4h 21min · 🚗 50h 1min
1,662 nautical miles · Time difference: -2h behind · Direction: southwest
The distance from Port Louis to Johannesburg 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 Port Louis, Mauritius to Johannesburg, South Africa 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.
Johannesburg is located southwest of Port Louis. Port Louis is in Africa, in the Port Louis region of Mauritius, while Johannesburg is in Africa, in Gauteng, South Africa. 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 Port Louis to Johannesburg. 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 Port Louis to Johannesburg 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.
Port Louis sits at 20.1609°S, 57.5012°E, while Johannesburg is located at 26.2041°S, 28.0473°E. The initial compass bearing from Port Louis to Johannesburg is 252° (WSW), so a great-circle flight path leaves Port Louis 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 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 Port Louis and Johannesburg 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.
Johannesburg is roughly 2 hours behind Port Louis. When it is 09:00 in Port Louis, it is approximately 07:00 in Johannesburg. 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.
Port Louis is a major city in Mauritius with a population of approximately 149,194. Located in the Port Louis region, it is an important hub in Africa. Despite its smaller size, Port Louis plays an important regional role in Mauritius and attracts visitors year-round.
Johannesburg is a notable city in South Africa with a population of approximately 5,635,127. Situated in the Gauteng region, it serves as a key destination in Africa. Johannesburg is one of South Africa's largest cities, offering major airport hubs, extensive public transport, and a wide range of accommodation options.
→ See all distances from Johannesburg
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 Port Louis and Johannesburg 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 Port Louis to Johannesburg 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.
Johannesburg is approximately -2h behind compared to Port Louis.
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.