| Chattanooga to Cascais | 4,074.04 mi (6,556.54 km) |
| Chattanooga to Castelo Branco | 4,139.67 mi (6,662.15 km) |
| Chattanooga to Castro Daire | 4,090.45 mi (6,582.94 km) |
| Chattanooga to Celorico de Basto | 4,075.00 mi (6,558.07 km) |
| Chattanooga to Chamusca | 4,103.48 mi (6,603.91 km) |
| Chattanooga to Chaves | 4,091.46 mi (6,584.56 km) |
| Chattanooga to Cinfaes | 4,075.68 mi (6,559.17 km) |
| Chattanooga to Coimbra | 4,083.86 mi (6,572.34 km) |
| Chattanooga to Condeixa-a-Nova | 4,082.81 mi (6,570.64 km) |
| Chattanooga to Corroios | 4,089.55 mi (6,581.50 km) |
| Chattanooga to Coruche | 4,111.63 mi (6,617.03 km) |
| Chattanooga to Costa de Caparica | 4,084.53 mi (6,573.42 km) |
| Chattanooga to Covilha | 4,127.44 mi (6,642.47 km) |
| Chattanooga to Eiras | 4,083.32 mi (6,571.47 km) |
| Chattanooga to Elvas | 4,182.31 mi (6,730.77 km) |
