St. Louis, United States → Chicago, United States
228 nautical miles · Direction: northeast
The straight-line distance from St. Louis to Chicago is 422 km (262 miles). Chicago lies roughly north-northeast of St. Louis; the initial great-circle bearing is 30° (NNE). It is a domestic route within United States.
St. Louis (Midwest, United States) sits at 38.6270°N, 90.1994°W; Chicago (Midwest, United States) is at 41.8781°N, 87.6298°W. The initial great-circle bearing is 30° (NNE); on a great circle the heading changes along the way.
| Mode | Figure | Basis |
|---|---|---|
| ✈️ 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 St. Louis to Chicago: 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.
The geographic halfway point of the great-circle path between St. Louis and Chicago 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.
St. Louis and Chicago both use the America/Chicago time zone, so there is no normal clock difference between them.
The straight-line distance from St. Louis to Chicago is approximately 422 km (262 miles, 228 nautical miles).
Chicago lies roughly north-northeast of St. Louis; the initial great-circle bearing is 30° (NNE).
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.
Rough road-length estimate for St. Louis to Chicago: 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.
St. Louis and Chicago 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