| Austin to Cascais | 4,865.94 mi (7,830.98 km) |
| Austin to Castelo Branco | 4,928.28 mi (7,931.30 km) |
| Austin to Castro Daire | 4,876.97 mi (7,848.73 km) |
| Austin to Celorico de Basto | 4,860.41 mi (7,822.07 km) |
| Austin to Chamusca | 4,893.67 mi (7,875.60 km) |
| Austin to Chaves | 4,875.55 mi (7,846.44 km) |
| Austin to Cinfaes | 4,861.88 mi (7,824.44 km) |
| Austin to Coimbra | 4,872.28 mi (7,841.17 km) |
| Austin to Condeixa-a-Nova | 4,871.47 mi (7,839.88 km) |
| Austin to Corroios | 4,881.45 mi (7,855.93 km) |
| Austin to Coruche | 4,902.57 mi (7,889.93 km) |
| Austin to Costa de Caparica | 4,876.43 mi (7,847.85 km) |
| Austin to Covilha | 4,915.05 mi (7,910.00 km) |
| Austin to Eiras | 4,871.67 mi (7,840.19 km) |
| Austin to Elvas | 4,972.56 mi (8,002.56 km) |
