LondonUnited Kingdom |
ColumbusUnited States |
8 416 999
(2013) |
8 416 999
(2013)
822 553
(2013) |
822 553
(2013) |
1 580 km2
|
1 580 km2
550 km2
|
550 km2
|
5 327.21
/km2 |
5 327.21/km2
1 495.55/km2
|
1 495.55
/km2 |