Chicago to St. Louis: Exactly 422 km (262 mi)

Chicago, United States → St. Louis, United States

422
Kilometers
262
Miles
~1h 2min
Flight time (est.)
~549 km
Rough road-length estimate

228 nautical miles · Direction: southwest

Quick Answer

The straight-line distance from Chicago to St. Louis is 422 km (262 miles). St. Louis lies roughly south-southwest of Chicago; the initial great-circle bearing is 212° (SSW). It is a domestic route within United States.

Coordinates & Bearing

Chicago (Midwest, United States) sits at 41.8781°N, 87.6298°W; St. Louis (Midwest, United States) is at 38.6270°N, 90.1994°W. The initial great-circle bearing is 212° (SSW); on a great circle the heading changes along the way.

Travel Options: Chicago to St. Louis

ModeFigureBasis
✈️ Flight ~1h 2min Estimate: 800 km/h + 30 min taxi. Not a schedule; total trip time is longer.
🚗 Road ~549 km · ~6h 52min Rough estimate: straight line × 1.3 at 80 km/h. Not live routing.
🚆 Rail No timetable data Same landmass, so rail may exist — check an operator.

Rough road-length estimate for Chicago to St. Louis: about 549 km. This is an estimate, not a routed drive — the actual road distance depends on the road network, crossings and the route chosen.

Halfway Point

The geographic halfway point of the great-circle path between Chicago and St. Louis lies at approximately 40.2597°N, 88.9455°W — the position that is an equal 211 km from each city along that path. It is a geometric midpoint, not a halfway point by road.

Time Zone Difference

Chicago and St. Louis both use the America/Chicago time zone, so there is no normal clock difference between them.

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Frequently Asked Questions

How far is Chicago from St. Louis?

The straight-line distance from Chicago to St. Louis is approximately 422 km (262 miles, 228 nautical miles).

What direction is St. Louis from Chicago?

St. Louis lies roughly south-southwest of Chicago; the initial great-circle bearing is 212° (SSW).

How long does it take to fly from Chicago to St. Louis?

Estimated flight time is about 1h 2min (great-circle distance at 800 km/h plus 30 min for taxi, take-off and landing). It is not an airline schedule; total airport-to-airport trip time is longer.

Can you drive from Chicago to St. Louis?

Rough road-length estimate for Chicago to St. Louis: about 549 km. This is an estimate, not a routed drive — the actual road distance depends on the road network, crossings and the route chosen.

Is there a time difference between Chicago and St. Louis?

Chicago and St. Louis both use the America/Chicago time zone, so there is no normal clock difference between them.

Straight-line distance uses the great-circle (Haversine) method. Flight and road figures, where shown, are estimates rather than schedules or live routing. How SnapDistance calculates distances

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