A hubmeter.
I would use a odometer or a trundle wheel
trundle wheel
a pedometer
Surveyor's Wheel
The odometer.
A map.
it measures the length or distance
odometreit's odometer.Odometer
You can use this tool called a trundle wheel. It's a wheel attached to a stick and after you walk a few steps, it tells you how much did you walk. Like if you wanted to find the distance from a dog to a cat you ue the trundle wheel and walk from the dog to the cat while the wheel rolls along the floor at all times and when you stop, the trundle wheel tells you approximately how far did you walk.
The question can be answered in many ways.One device you can use is called a Measuring Wheel. This is hand held, or with some of them, can be attached to a vehicle.Another device is called a Hubodometer. This is attached to a vehicles hub.Without knowing the specifics of the question, this is the best answer that can be given at this time.
An absolute altimeter is an instrument which measures vertical distance to the surface below a certain reference point.
A measuring wheel, string or measuring tape. A laser is also used to measure distances to as far away as the moon.