I've been playing around with it using some famous fantasy worlds.
A Song of Ice and Fire
This doesn't work entirely well because the maps of the North and the lands beyond the Wall need to be adjusted so they work on a globe. So this is a very rough and ready look at Westeros and Essos. It works really well for Essos and the Jade Sea, though (the coastlines of Sothoryos, eastern Essos and Ulthos are non-canon and speculative though).
(note: may not be working: either the maps time out after a while or I linked this in too many places and it's getting hammered).
The Malazan Book of the Fallen
This works really well, because Steven Erikson and Ian Cameron Esslemont were clever enough to stay away from the poles, which introduces a lot of distortion.
This was easy because mapmakers ProFantasy created a globe of the Forgotten Realms for their Forgotten Realms Interactive Atlas CD-ROM released in 2001. The base maps from that CD-ROM still splendily wrap around a sphere like they were supposed to.
The Wheel of Time
The world of Robert Jordan's The Wheel of Time. The base map is not tremendously detailed and the artist did not draw Seanchan to the correct scale (the south of the continent extends much further east, explaining better why they chose to invade the Westlands from the west rather than the east).
Dragonriders of Pern
It works pretty well with Pern, the planet from Anne McCaffrey's Dragonriders of Pern series.
Great North Road
The planet St. Libra, from Peter F. Hamilton's massive novel Great North Road.
Avatar: The Last Airbender
The planet from Avatar: The Last Airbender and its sequel series, The Legend of Korra.
Krynn, the planet of the Dragonlance Saga.
The Elder Scrolls
Nirn, the planet of the Elder Scrolls video games.
Conan the Barbarian
This is the world of Conan the Barbarian, which is based on Earth many thousands of years ago. This map is rough, since I didn't line up the features of the Thurian continent with the real Eurasia.
This is the world of The Belgariad and The Malloreon by David and Leigh Eddings.
All in all, a fun little timewaster for a few hours.