Correct method to get route distances

Hiyas, I have my routes calculating but just wanted to see if there is a better way of getting distance between jobs and total route distance.

for (VehicleRoute route : Solutions.bestOf(solutions).getRoutes()) {
            totalTime += route.getEnd().getArrTime();
            prevAct = route.getStart();

            for (TourActivity act : route.getActivities()) {
                if(act == route.getStart()){
                    prevAct = act;
                }else{
                    routeDistance += getDistance(prevAct, act, costMatrix);
                    prevAct = act;
                }
            }
        }

static double getDistance(TourActivity from, TourActivity to, VehicleRoutingTransportCostsMatrix costMatrix) {

            return costMatrix.getDistance(from.getLocation().getId(), to.getLocation().getId());
    
    }

I’m happy with the route time, but am I correct in using the costMatrix to produce distances?

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