object mapper help you to map object and IQueryable to Distance model.

installation

add this package to your csproj file:
for automapper: Kasp.ObjectMapper.AutoMapper
for mapster: Kasp.ObjectMapper.Mapster

configuration

add following line in ConfigureServices on the Startup class:

services.AddObjectMapper<Mapster>();

or

services.AddObjectMapper<AutoMapper>();

usage

use extensions

for objects: obj.MapTo<TDistance>()
for IQueryable: query.MapTo<TDistance>()