360 doesn't seem right though...

Capital City (30RP)
Large Coastal City (14, 30RP) 
Large Mountain City (15, 30RP)
Large City (6, 30RP)

Medium City (6, 20RP)
Small City (4, 10RP)

10 x Tundra (20RP)
10 x Plains (60RP)
5 x River (30RP)
5 x Forest (20RP)

Gets you 280RP, not 360.