| Sumter to Benavente | 3,890.22 mi (6,260.70 km) |
| Sumter to Bombarral | 3,865.50 mi (6,220.92 km) |
| Sumter to Bougado | 3,851.18 mi (6,197.88 km) |
| Sumter to Braga | 3,853.63 mi (6,201.81 km) |
| Sumter to Braganca | 3,929.86 mi (6,324.49 km) |
| Sumter to Cabeceiras de Basto | 3,873.87 mi (6,234.39 km) |
| Sumter to Cacem | 3,868.73 mi (6,226.11 km) |
| Sumter to Cadaval | 3,869.07 mi (6,226.66 km) |
| Sumter to Caldas da Rainha | 3,863.44 mi (6,217.60 km) |
| Sumter to Calheta | 3,590.02 mi (5,777.58 km) |
| Sumter to Camara de Lobos | 3,601.00 mi (5,795.25 km) |
| Sumter to Canico | 3,609.26 mi (5,808.54 km) |
| Sumter to Cantanhede | 3,870.36 mi (6,228.74 km) |
| Sumter to Carregal do Sal | 3,898.17 mi (6,273.50 km) |
| Sumter to Cartaxo | 3,886.98 mi (6,255.48 km) |
