SPSite.MaxFullUrlLength field

Represents the maximum number of characters that can be used in the absolute URL for a site collection.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

public const int MaxFullUrlLength

The value of this constant is 260.

The MaxFullUrlLength field is static and cannot be called on an instance object. To call this field, use SPSite.MaxFullUrlLength.