word | | Terrain |
| flat | Belgium | flat coastal plains in northwest, central rolling hills, rugged mountains of Ardennes Forest in southeast |
| flat | Belize | flat, swampy coastal plain; low mountains in south |
| flat | Benin | mostly flat to undulating plain; some hills and low mountains |
| flat | Botswana | predominantly flat to gently rolling tableland; Kalahari Desert in southwest |
| flat | Brazil | mostly flat to rolling lowlands in north; some plains, hills, mountains, and narrow coastal belt |
| flat | British Indian Ocean Territory | flat and low (most areas do not exceed two meters in elevation) |
| flat | British Virgin Islands | coral islands relatively flat; volcanic islands steep, hilly |
| flat | Brunei | flat coastal plain rises to mountains in east; hilly lowland in west |
| flat | Burkina Faso | mostly flat to dissected, undulating plains; hills in west and southeast |
| flat | Cambodia | mostly low, flat plains; mountains in southwest and north |
| flat | Central African Republic | vast, flat to rolling, monotonous plateau; scattered hills in northeast and southwest |
| flat | Cocos (Keeling) Islands | flat, low-lying coral atolls |
| flat | Colombia | flat coastal lowlands, central highlands, high Andes Mountains, eastern lowland plains |
| flat | Cote d'Ivoire | mostly flat to undulating plains; mountains in northwest |
| flat | Croatia | geographically diverse; flat plains along Hungarian border, low mountains and highlands near Adriatic coastline and islands |
| flat | Cuba | mostly flat to rolling plains, with rugged hills and mountains in the southeast |
| flat | Denmark | low and flat to gently rolling plains |
| flat | Ecuador | coastal plain (costa), inter-Andean central highlands (sierra), and flat to rolling eastern jungle (oriente) |
| flat | Eritrea | ... by extension of Ethiopian north-south trending highlands, descending on the east to a coastal desert plain, on the northwest to hilly terrain and on the southwest to flat-to-rolling plains |
| flat | Estonia | marshy, lowlands; flat in the north, hilly in the south |
| flat | European Union | fairly flat along the Baltic and Atlantic coast; mountainous in the central and southern areas |
| flat | Finland | mostly low, flat to rolling plains interspersed with lakes and low hills |
| flat | France | metropolitan France: mostly flat plains or gently rolling hills in north and west; remainder is mountainous, especially Pyrenees in south, Alps in east French Guiana: low-lying coastal plains rising to hills ... |
| flat | French Southern and Antarctic Lands | ... Eparses): atoll, awash at high tide; shallow (15 m) lagoon Europa Island, Glorioso Islands, Juan de Nova Island: low, flat, and sandy Tromelin Island (Iles Eparses): low, flat, sandy; likely volcanic seamount |
| flat | Gaza Strip | flat to rolling, sand- and dune-covered coastal plain |
| flat | Greenland | flat to gradually sloping icecap covers all but a narrow, mountainous, barren, rocky coast |
| flat | Guam | volcanic origin, surrounded by coral reefs; relatively flat coralline limestone plateau (source of most fresh water), with steep coastal cliffs and narrow coastal plains in north, low hills in center, mountains in ... |
| flat | Guinea | generally flat coastal plain, hilly to mountainous interior |
| flat | Hungary | mostly flat to rolling plains; hills and low mountains on the Slovakian border |