word | | Geography - note |
| crossroads | Switzerland | landlocked; crossroads of northern and southern Europe; along with southeastern France, northern Italy, and southwestern Austria, has the highest elevations in the Alps |
| crossroads | Ukraine | strategic position at the crossroads between Europe and Asia; second-largest country in Europe |
| Crown | Akrotiri | ... post sites scattered across Cyprus; of the Sovereign Base Area (SBA) land, 60% is privately owned and farmed, 20% is owned by the Ministry of Defense, and 20% is SBA Crown land |
| Crown | Dhekelia | ... off-post sites scattered across Cyprus; of the Sovereign Base Area land 60% is privately owned and farmed, 20% is owned by the Ministry of Defense, and 20% is SBA Crown land |
| crude | Iran | strategic location on the Persian Gulf and Strait of Hormuz, which are vital maritime pathways for crude oil transport |
| crude | Oman | strategic location on Musandam Peninsula adjacent to Strait of Hormuz, a vital transit point for world crude oil |
| crude | Saudi Arabia | extensive coastlines on Persian Gulf and Red Sea provide great leverage on shipping (especially crude oil) through Persian Gulf and Suez Canal |
| crude | United Arab Emirates | strategic location along southern approaches to Strait of Hormuz, a vital transit point for world crude oil |
| cruiser | Cocos (Keeling) Islands | ... vegetation; site of a World War I naval battle in November 1914 between the Australian light cruiser HMAS Sydney and the German raider SMS Emden; after being heavily damaged in the engagement ... |
| Cuba | Bahamas, The | strategic location adjacent to US and Cuba; extensive island chain of which 30 are inhabited |
| Cuba | Cayman Islands | important location between Cuba and Central America |
| Cuba | Navassa Island | strategic location 160 km south of the US Naval Base at Guantanamo Bay, Cuba; mostly exposed rock with numerous solution holes but with enough grassland to support goat herds; dense stands of ... |
| cultivated | Mali | landlocked; divided into three natural zones: the southern, cultivated Sudanese; the central, semiarid Sahelian; and the northern, arid Saharan |