Chicago, United States → Seattle, United States · ✈ 3h 59min · 🚗 45h 19min
1,506 nautical miles · Time difference: -2h behind · Direction: northwest
The distance from Chicago to Seattle is 2,789 km (1,733 miles). The fastest way to travel is by flight. A direct flight takes approximately 3h 59min.
The straight-line distance from Chicago, United States to Seattle, United States is approximately 2,789 kilometers (1,733 miles or 1,506 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
Seattle is located northwest of Chicago. Chicago is in North America, in the Midwest region of United States, while Seattle is in North America, in Pacific Northwest, United States. Both cities are in North America.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 2,789 km | ~3h 59min | Best option for speed |
| 🚗 Drive | ~3,626 km | ~45h 19min | Long journey, consider stops |
Our recommendation: flight is typically the best way to travel from Chicago to Seattle. For 2,789 km, flying saves significant time and is usually the most practical choice.
Based on an estimated road distance of 3,626 km, fuel costs for driving from Chicago to Seattle are approximately $290–$544 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.
Chicago sits at 41.8781°N, 87.6298°W, while Seattle is located at 47.6062°N, 122.3321°W. The initial compass bearing from Chicago to Seattle is 295° (WNW), so a great-circle flight path leaves Chicago heading roughly WNW. 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 5.73° and the longitude difference is 34.70°. 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.
The geographic midpoint between Chicago and Seattle is approximately 46.0727°N, 104.0934°W. This is the great-circle halfway position — the spot where you would be exactly 1,395 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.
Seattle is roughly 2 hours behind Chicago. When it is 09:00 in Chicago, it is approximately 07:00 in Seattle. 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.
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
Seattle is a notable city in United States with a population of approximately 737,015. Situated in the Pacific Northwest region, it serves as a key destination in North America. Seattle is a popular destination in the Pacific Northwest region of United States, known for its unique character and attractions.
→ See all distances from Seattle
2,789 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 2,789 km between Chicago and Seattle means a beam of light could travel this distance in approximately 9.3 milliseconds — but a flight still takes 3h 59min.
Despite both being in United States, Chicago and Seattle are 2,789 km apart — a reminder of how vast the country is. Flying is the only practical option, and the journey likely involves crossing multiple climate zones and time zones.
See how the Chicago to Seattle distance compares to similar routes:
The straight-line distance from Chicago to Seattle is approximately 2,789 kilometers (1,733 miles, 1,506 nautical miles).
A direct flight takes approximately 3h 59min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 45h 19min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Seattle is approximately -2h behind compared to Chicago.
The estimated road distance is approximately 3,626 km, which is about 30% longer than the 2,789 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: May 30, 2026.