Distance from Ottawa to Howard County
The distance between Ottawa, Canada and Howard County, United States is 696 km (432 miles) in a straight line. If a road route exists, expect roughly 870 km (541 miles) by car — around 10 h 53 min of driving.
| Measure | Value |
|---|---|
| Straight-line distance | 696 km / 432 mi |
| Road distance (estimate) | ≈ 870 km / 541 mi |
| Driving time (estimate) | ≈ 10 h 53 min |
| Flight time (estimate) | ≈ 1 h 19 min |
Road distance and travel times are estimates based on the straight-line distance (road factor 1.25, average speed 80 km/h) — actual routes vary.
| Place | Latitude | Longitude |
|---|---|---|
| Ottawa, Canada | 45.425226 | -75.699963 |
| Howard County, United States | 39.2305289 | -76.9166241 |
Frequently asked questions
How far is Howard County from Ottawa?
The straight-line (air) distance from Ottawa, Canada to Howard County, United States is 696 km (432 miles). By road it is roughly 870 km (541 miles), depending on the route.
How long does it take to drive from Ottawa to Howard County?
Approximately 10 h 53 min, assuming an 80 km/h average over an estimated road distance of 870 km. Actual time depends on the route, traffic and border crossings.
How long is the flight from Ottawa to Howard County?
A direct flight covers 696 km in about 1 h 19 min at typical cruise speed, plus airport time. Not all city pairs have direct flights.
How do I calculate distances for a whole list of locations?
Upload a CSV or Excel spreadsheet to the batch distance calculator — it computes the distance for every origin–destination row at once. The first records are free to try.
Related distances
Distance from Howard County to Ottawa (reverse route)