Geonames - RawPostal - EF/MVC - Get all within radius of X

        public ActionResult Details(string countryCode, string stateCode, string countyCode, string postalCode, int radius, string featureClass, string featureCode)
        {
            GeonameEntities db = new GeonameEntities();

            RawPostal postal =
                db.RawPostals.FirstOrDefault(p => p.countryCode == countryCode && p.admin1code == stateCode && p.admin2code == countyCode && p.postalCode == postalCode);
            if (postal == null || postal.latitude == null || postal.longitude == null)
            {
                return HttpNotFound();
            }

            int radiusMeters = radius * 1609;

            DbGeography posBuffer = postal.geog.Buffer(radiusMeters);
            DbGeography negBuffer = postal.geog.Buffer(-radiusMeters);
            DbGeography difference = posBuffer.Difference(negBuffer);

            List<RawData> results = db.RawDatas.Where(p => p.featureClass == featureClass && p.featureCode == featureCode && p.geog.Intersects(difference)).OrderBy(o => o.asciiName).ToList();

            double north = (results.Max(p => p.latitude) ?? 0); // North
            double east = (results.Max(p => p.longitude) ?? 0); // East
            double south = (results.Min(p => p.latitude) ?? 0); // South
            double west = (results.Min(p => p.longitude) ?? 0); // West

            double latAngle = north - south; // Latitude Angle
            double longAngle = east - west; // Longitude Angle

            double centerLat = north - latAngle; // Center Latitude
            double centerLong = east - longAngle; // Center Longitude

            if (longAngle < 0)
            {
                longAngle += 360;
            }
            if (latAngle < 0)
            {
                latAngle += 360;
            }

            DaveDetail model = new DaveDetail
                {
                    Latitude = (double)postal.latitude,
                    Longitude = (double)postal.longitude,
                    LatitudeAngle = latAngle,
                    LongitudeAngle = longAngle,
                    CenterLatitude = centerLat,
                    CenterLongitude = centerLong,
                    North = north,
                    East = east,
                    South = south,
                    West = west,
                    Zoom = radius,
                    Pins = results
                };

            return View(model);
        }