ProvidenceUnited States |
RiyadhSaudi Arabia |
178 042
(2010) |
178 042
(2010)
5 700 000
(2013) |
5 700 000
(2013) |
53 km2
|
53 km2
1 554 km2
|
1 554 km2
|
3 359.28
/km2 |
3 359.28/km2
3 667.95/km2
|
3 667.95
/km2 |