Great Circle Mapper: Draw great-circle flight routes between airports and measure distances. Map of the Universe: Scroll through a map of the observable universe, galaxy by galaxy.
| Great Circle Mapper | Map of the Universe | |
|---|---|---|
| Category | Transport & Transit Maps | Space, Planets & Sky Maps |
| Coverage | Worldwide | Observable universe |
| Updates | Static archive | Static archive |
| Data source | Airport database | Sloan Digital Sky Survey |
| Made by | Karl L. Swartz | Johns Hopkins University |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Best on a computer | Works well on phones |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with Great Circle Mapper
- Great-circle routes between airports
- Distances in miles and kilometres
- Map many routes at once
- Airport database
What you can do with Map of the Universe
- Galaxies from the Sloan Digital Sky Survey
- Scroll from nearby to the edge of the universe
- Explanations along the way
Summary based on public information. Check each map's website for current features and prices.