| Texarkana to Cascais | 4,567.03 mi (7,349.93 km) |
| Texarkana to Castelo Branco | 4,627.51 mi (7,447.25 km) |
| Texarkana to Castro Daire | 4,575.34 mi (7,363.31 km) |
| Texarkana to Celorico de Basto | 4,558.38 mi (7,336.00 km) |
| Texarkana to Chamusca | 4,593.70 mi (7,392.85 km) |
| Texarkana to Chaves | 4,573.09 mi (7,359.67 km) |
| Texarkana to Cinfaes | 4,560.13 mi (7,338.82 km) |
| Texarkana to Coimbra | 4,571.44 mi (7,357.02 km) |
| Texarkana to Condeixa-a-Nova | 4,570.75 mi (7,355.91 km) |
| Texarkana to Corroios | 4,582.53 mi (7,374.86 km) |
| Texarkana to Coruche | 4,603.04 mi (7,407.87 km) |
| Texarkana to Costa de Caparica | 4,577.51 mi (7,366.78 km) |
| Texarkana to Covilha | 4,613.84 mi (7,425.25 km) |
| Texarkana to Eiras | 4,570.80 mi (7,355.99 km) |
| Texarkana to Elvas | 4,672.60 mi (7,519.82 km) |
