Chicago, United States → Houston, United States
818 nautical miles · Direction: southwest
The straight-line distance from Chicago to Houston is 1,516 km (942 miles). Houston lies roughly south-southwest of Chicago; the initial great-circle bearing is 210° (SSW). It is a domestic route within United States.
Chicago (Midwest, United States) sits at 41.8781°N, 87.6298°W; Houston (South, United States) is at 29.7604°N, 95.3698°W. The initial great-circle bearing is 210° (SSW); on a great circle the heading changes along the way.
| Mode | Figure | Basis |
|---|---|---|
| ✈️ Flight | ~2h 24min | Estimate: 800 km/h + 30 min taxi. Not a schedule; total trip time is longer. |
| 🚗 Road | ~1,971 km · ~24h 38min | Rough estimate: straight line × 1.3 at 80 km/h. Not live routing. |
Rough road-length estimate for Chicago to Houston: about 1,971 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 Chicago and Houston lies at approximately 35.8810°N, 91.7967°W — the position that is an equal 758 km from each city along that path. It is a geometric midpoint, not a halfway point by road.
Chicago and Houston both use the America/Chicago time zone, so there is no normal clock difference between them.
All distances from Chicago · All distances from Houston
The straight-line distance from Chicago to Houston is approximately 1,516 km (942 miles, 818 nautical miles).
Houston lies roughly south-southwest of Chicago; the initial great-circle bearing is 210° (SSW).
Estimated flight time is about 2h 24min (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 Chicago to Houston: about 1,971 km. This is an estimate, not a routed drive — the actual road distance depends on the road network, crossings and the route chosen.
Chicago and Houston 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