How to say flatwise in different languages

You can say flatwise as à plat in the following countries: Benin; Burkina Faso; Burundi; Central African Republic; Chad; Democratic Republic of the Congo; Djibouti; France; French Guiana; French Polynesia; French Southern Territories; Gabon; Guadeloupe; Guinea; Ivory Coast; Madagascar; Mali; Martinique; Mayotte; Monaco; Niger; Republic of the Congo; Reunion; Saint Barthelemy; Saint Martin; Saint Pierre and Miquelon; Senegal; Togo;

You can say flatwise as de plano in the following countries: Argentina; Bolivia; Chile; Colombia; Costa Rica; Cuba; Dominican Republic; Ecuador; El Salvador; Equatorial Guinea; Guatemala; Honduras; Mexico; Nicaragua; Panama; Paraguay; Peru; Spain; Uruguay; Venezuela;

You can say flatwise as platt, flach, der länge nach in the following countries: Austria; Germany; Liechtenstein; Switzerland;

You can say flatwise as плазам in the following countries: Belarus;

You can say flatwise as laposan in the following countries: Hungary;

You can say flatwise as плашмя in the following countries: Russia;

You can say flatwise as плазом in the following countries: Ukraine;