Measure Distance Between Two Points in Google Maps

Choose measurement or directions before starting

Google Maps offers different answers for a direct measurement and a navigable route. A line between two map locations measures their geographic separation; driving directions follow roads and account for a selected travel mode. Decide which answer your question needs before placing points. For a property sketch, crossing a park, or comparing two locations visually, a direct measurement may be useful. For a journey by car, use Directions and Driving instead. A short line over a river does not establish that a bridge or permitted crossing exists there.

Measure on a computer

Open Google Maps, locate the starting position, and right-click it. Choose Measure distance, then click the second position. The measurement card displays the total in kilometres and miles. Click additional points to extend a segmented path. You can drag a placed point to refine its position or click a point to remove it. Close the measurement card when finished. These steps describe the desktop interface; the mobile application uses a different interaction and should not be expected to offer a desktop right-click menu.

Place endpoints according to the question

An address marker often identifies a building or parcel, whereas the relevant endpoint may be an entrance, driveway or specific corner. Zoom in and make the same endpoint choice for every comparison. If measuring from a gate to a gate, selecting one building centre and one gate introduces a difference unrelated to the actual route. Record whether you used street entrances, map pins or manually placed positions. The displayed precision cannot compensate for uncertainty about the intended endpoint or the imagery beneath it.

Understand a path made from several segments

When you add intermediate points, the total is the sum of the consecutive segments. It is no longer just the distance between the first and last point. On an ideal scaled sketch, a path moving 300 metres east and 400 metres north has a total of 700 metres, while its direct endpoint separation is 500 metres. This example explains the geometry; it is not a claim about any particular map location. To follow a curved path more closely, add intermediate points deliberately, while recognizing that map measurement remains an estimate of the represented path.

Keep geographic coordinates out of the local plane formula

Latitude and longitude are angular coordinates. A degree of longitude does not represent the same ground distance at every latitude, so subtracting those numbers and applying a plain x,y distance formula is not a reliable kilometre calculation. The linked local tool suits a classroom coordinate grid or a properly scaled planar drawing. For example, points (0,0) and (3,4) are five coordinate units apart. A separate scale of 100 metres per grid unit would make that 500 metres, but the scale must actually be part of the drawing.

Record units and an appropriate level of accuracy

If the card reports 1.25 km, that is 1,250 metres. If it reports 0.8 miles, the unit conversion is 0.8 × 1.609344 = 1.2874752 km, though rounding the result to about 1.29 km usually fits such a displayed measurement better. Extra digits from conversion do not add detail to the map or improve endpoint placement. Avoid presenting an informal map measurement as a surveyed boundary, exact construction dimension or proof of a legal access route.

Resolve an unexpected result by checking the setup

Check for an accidentally retained intermediate point, an endpoint placed on the wrong building, or a directions result being compared with a straight measurement. Remove and replace only the questionable point, then compare the total again. A useful record includes the start and end descriptions, any waypoints, the measurement mode and the unit. If someone else repeats the measurement with different entrances or a different mode, a different result can be reasonable even when neither calculation contains an arithmetic error.

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