public async Task <IActionResult> Distance(string from, string to)
        {
            var result = await _mediator.ExecuteAsync(Scenarios.CalculateDistanceBetweenAirports(from, to));

            if (result.IsSuccess)
            {
                return(DistanceModel.FromResult(result.Data).ToObjectResult());
            }
            return(result.ToObjectResult());
        }