The radius where the Search Service should search for matching geo location values.

Enter the radius as a single string, with a numeric value and a unit value. For example, 100.5mi.

You can use the following distance units:

→mm: Millimeters
→cm: Centimeters
→in: Inches
→yd: Yards
→ft: Feet
→m: Meters
→km: Kilometers
→mi: Miles