Chicago, United States → London, United Kingdom · ✈ 8h 26min · 🚗 103h 14min
3,430 nautical miles · Time difference: +6h ahead · Direction: northeast
The distance from Chicago to London is 6,353 km (3,948 miles). The fastest way to travel is by flight. A direct flight takes approximately 8h 26min.
The straight-line distance from Chicago, United States to London, United Kingdom is approximately 6,353 kilometers (3,948 miles or 3,430 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
London is located northeast of Chicago. Chicago is in North America, in the Midwest region of United States, while London is in Europe, in England, United Kingdom. This intercontinental route spans from North America to Europe.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 6,353 km | ~8h 26min | Best option for speed |
Our recommendation: flight is typically the best way to travel from Chicago to London. For 6,353 km, flying saves significant time and is usually the most practical choice.
Chicago is a major city in United States with a population of approximately 2,693,976. Located in the Midwest region, it is an important hub in North America. Chicago is a significant metropolitan area in United States with good domestic and international transport connections.
→ See all distances from Chicago
London is a notable city in United Kingdom with a population of approximately 8,982,000. Situated in the England region, it serves as a key destination in Europe. London is one of United Kingdom's largest cities, offering major airport hubs, extensive public transport, and a wide range of accommodation options.
→ See all distances from London
At 6,353 km, this is one of the longer routes on the globe, spanning from North America to Europe. For comparison, London to Sydney is about 17,000 km — roughly half the circumference of the Earth.
At 6,353 km, Chicago to London is one of the world's longer routes, covering 15.9% of Earth's circumference (40,075 km).
Combined, Chicago and London have a population of over 11,675,976 people, making this a major urban corridor.
This route crosses from North America to Europe, spanning 6 timezones.
The straight-line distance from Chicago to London is approximately 6,353 kilometers (3,948 miles, 3,430 nautical miles).
A direct flight takes approximately 8h 26min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 103h 14min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
London is approximately +6h ahead compared to Chicago.
The estimated road distance is approximately 8,259 km, which is about 30% longer than the 6,353 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: April 7, 2026.