Cities near Castlewood
- Watertown (~21 km)
- Pipestone (~98 km)
- Dell Rapids (~103 km)
- Benson (~130 km)
- Brandon (~131 km)
- Sioux Falls (~133 km)
- Luverne (~136 km)
- Redwood Falls (~153 km)
- Rock Rapids (~159 km)
- Olivia (~161 km)
- Willmar (~163 km)
- Kandiyohi County (~166 km)
- Windom (~180 km)
- Beresford (~184 km)
- Fergus Falls (~189 km)
- Sioux Center (~195 km)