A string distance represents a distance range to a point of interest. The possible values are configured in the system and may vary.
Typical values include ranges such as: less than 100m, 100m to 500m, 500m to 1km, 1km to 5km, more than 5km, etc.
This type is used in the property options for fields like distanceToInnerCity, distanceToSea, distanceToSki, etc.