BucharestRomania |
ChangchunChina |
1 942 000
(2010) |
1 942 000
(2010)
6 830 000
(2010) |
6 830 000
(2010) |
238 km2
|
238 km2
20 532 km2
|
20 532 km2
|
8 159.66
/km2 |
8 159.66/km2
332.65/km2
|
332.65
/km2 |