I'm trying to get a visa for Canada, but that's beside the point. While I wait, I play with flights online, looking at prices. I found that occasionally there's this weird multi-stop flight that shows up from Auckland, New Zealand to Nadi, Fiji, to Christmas Island, Kiribati, to Honolulu, USA, to Vancouver, Canada!
Now, these only have stopovers of like 1-3 hours, so it's for a refuel or to drop off passengers. Certainly not enough time to get off.
However, if it were possible, I'd like to change the flight to include stopovers of a day to a week - I'm not fussed - I'm flexible, but I'd love to spend even a day in some of these places.
Most online booking sites don't seem to include stopover functionality, however. Kayak allows you to display only flights with a certain length stopover, but this is in the realm of hours, merely to let you configure it not to strand you in Manila or LAX for too long.
Is there a way to search online flights to configure stopovers of days in length, or do you have to book separate flights?