The price for most jobs is worked out on the loaded mileage, so we have to have a way to quickly work out mileages between two points, so we can quote while the customer is on the phone. You can tell the customer you will ring back, then use satnav or multimap to work it out, but they could have given the job to somebody else in that time.

codforum members have come up with some quick and simple ways to do it, which are described in the posts below.