Select 2 cities to calculate the distance:
In French Guiana, cities are at a moderate distance from each other, with an average distance of 150 km between the 10 most populated cities. The following matrix shows all distances between the main cities.
| Cayenne | Matoury | Saint-Laurent-du-Maroni | Kourou | Rémire-Montjoly | Apatou | Grand-Santi | Macouria | |
|---|---|---|---|---|---|---|---|---|
| Cayenne | - | 10 km 6 mi | 198 km 123 mi | 42 km 26 mi | 8 km 5 mi | 224 km 139 mi | 239 km 148 mi | 5 km 3 mi |
| Matoury | 10 km 6 mi | - | 202 km 126 mi | 50 km 31 mi | 10 km 6 mi | 227 km 141 mi | 237 km 147 mi | 9 km 6 mi |
| Saint-Laurent-du-Maroni | 198 km 123 mi | 202 km 126 mi | - | 158 km 98 mi | 206 km 128 mi | 52 km 32 mi | 141 km 88 mi | 195 km 121 mi |
| Kourou | 42 km 26 mi | 50 km 31 mi | 158 km 98 mi | - | 50 km 31 mi | 189 km 117 mi | 217 km 135 mi | 41 km 25 mi |
| Rémire-Montjoly | 8 km 5 mi | 10 km 6 mi | 206 km 128 mi | 50 km 31 mi | - | 232 km 144 mi | 245 km 152 mi | 12 km 7 mi |
| Apatou | 224 km 139 mi | 227 km 141 mi | 52 km 32 mi | 189 km 117 mi | 232 km 144 mi | - | 98 km 61 mi | 220 km 137 mi |
| Grand-Santi | 239 km 148 mi | 237 km 147 mi | 141 km 88 mi | 217 km 135 mi | 245 km 152 mi | 98 km 61 mi | - | 234 km 145 mi |
| Macouria | 5 km 3 mi | 9 km 6 mi | 195 km 121 mi | 41 km 25 mi | 12 km 7 mi | 220 km 137 mi | 234 km 145 mi | - |
Among the 10 main cities, the longest distance is 245 km, between Grand-Santi and Rémire-Montjoly. If the group is expanded to the 18 largest cities, the longest distance is between Saint-Georges and Apatou, with 315 km.
| Group | From → To | Distance |
|---|---|---|
| Among the main 10 cities | From Grand-Santi to Rémire-Montjoly | 245 km (152 mi) |
| Among the main 18 cities | From Saint-Georges to Apatou | 315 km (196 mi) |
The greatest latitudinal distance (north to south) between two cities in French Guiana is from Awala-Yalimapo to Maripasoula, with a displacement of 2.09 degrees of latitude, approximately equivalent to 232 km. The total distance between these cities is 232 km.
In the longitudinal direction (west to east), the greatest distance is from Grand-Santi to Saint-Georges, with a displacement of 0.38 degrees of longitude, which is approximately equivalent to 286 km. The total distance between these cities is 290 km.
International routes from cities in French Guiana reach significant distances, such as the 15,991 kilometers between Cayenne and Sydney, covering a transcontinental connection between South America and Oceania. Below are some international distances from French Guiana.
| Cayenne → London | 7,047 km |
| Cayenne → Los Angeles | 7,492 km |
| Cayenne → Sydney | 15,991 km |
| Cayenne → Paris | 7,074 km |
| Cayenne → Tokyo | 15,337 km |
| Cayenne → Buenos Aires | 4,423 km |
| Matoury → London | 7,055 km |
| Matoury → Los Angeles | 7,499 km |
| Matoury → Sydney | 15,984 km |
| Matoury → Paris | 7,081 km |
| Matoury → Tokyo | 15,346 km |
| Matoury → Buenos Aires | 4,414 km |
| Saint-Laurent-du-Maroni → London | 7,100 km |
| Saint-Laurent-du-Maroni → Los Angeles | 7,302 km |
| Saint-Laurent-du-Maroni → Sydney | 15,935 km |
| Saint-Laurent-du-Maroni → Paris | 7,138 km |
| Saint-Laurent-du-Maroni → Tokyo | 15,227 km |
| Saint-Laurent-du-Maroni → Buenos Aires | 4,463 km |
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