ColumbusUnited States |
ReykjavikIceland |
822 553
(2013) |
822 553
(2013)
118 814
(2012) |
118 814
(2012) |
550 km2
|
550 km2
274 km2
|
274 km2
|
1 495.55
/km2 |
1 495.55/km2
433.63/km2
|
433.63
/km2 |