Twelve kilometres can be twenty minutes or an hour.
The map will tell you the distance. It will not tell you what happens between the two points.
A listing gives you a number because a number is easy to print. You are not going to live in the number.
The last kilometre is the slow one
Most of a bad Bengaluru commute is not spread evenly across its length. It is concentrated in the final stretch, and in three or four fixed points that do not move.
None of these are visible from twelve kilometres away. All of them are visible at the hour they happen.
Same distance, different commute
Two homes can sit the same distance from the same office and offer nothing like the same journey.
The listing shows both as twelve kilometres. One of them costs you an hour and a half a day.
You don’t live in kilometres. You live in the journey.
What to actually ask
Distance is a single number and it is the least useful thing you can know. These are the questions that replace it: