| Slidell to Benavente | 4,492.02 mi (7,229.20 km) |
| Slidell to Bombarral | 4,467.08 mi (7,189.07 km) |
| Slidell to Bougado | 4,449.80 mi (7,161.26 km) |
| Slidell to Braga | 4,451.85 mi (7,164.55 km) |
| Slidell to Braganca | 4,526.94 mi (7,285.40 km) |
| Slidell to Cabeceiras de Basto | 4,471.95 mi (7,196.91 km) |
| Slidell to Cacem | 4,470.86 mi (7,195.16 km) |
| Slidell to Cadaval | 4,470.67 mi (7,194.85 km) |
| Slidell to Caldas da Rainha | 4,464.86 mi (7,185.50 km) |
| Slidell to Calheta | 4,192.56 mi (6,747.27 km) |
| Slidell to Camara de Lobos | 4,203.56 mi (6,764.98 km) |
| Slidell to Canico | 4,211.80 mi (6,778.24 km) |
| Slidell to Cantanhede | 4,470.45 mi (7,194.49 km) |
| Slidell to Carregal do Sal | 4,497.93 mi (7,238.71 km) |
| Slidell to Cartaxo | 4,488.58 mi (7,223.67 km) |
