With areacompare you can compare two different areas simultaneity with two openstreetmaps. Adapted from Map Compare
You can use the normal OSM controls. Some more features
- The 'desync' button, on the right-top corner is to change one map seperatly.
- with 'rysnc' you get the simultaneity back. To get the simultaneity zoom, just drag the desired map.
Control areacompare with hashttag (#).
The parameters are seperated by / (same as in www.openstreetmap.org/#map=15/48.137222/11.575278 )
To compare Berlin and Paris
#zoom /lat left/lon left/lat right/lon right
- Bodensee and Lake Victoria (Biggest German lake and biggest African lake)
- Rhine-Ruhr and Tokyo (Biggest German metropolitan area and world biggest metropolitan area)
- New York and Beijing
- Apfeltrang and Ketterschwang (two typical kind of linear village (Straßendorf) and clustered village (Haufendorf))