| Astoria to Cascais | 5,307.55 mi (8,541.68 km) |
| Astoria to Castelo Branco | 5,314.30 mi (8,552.54 km) |
| Astoria to Castro Daire | 5,242.18 mi (8,436.47 km) |
| Astoria to Celorico de Basto | 5,214.38 mi (8,391.73 km) |
| Astoria to Chamusca | 5,305.57 mi (8,538.48 km) |
| Astoria to Chaves | 5,213.02 mi (8,389.54 km) |
| Astoria to Cinfaes | 5,224.89 mi (8,408.65 km) |
| Astoria to Coimbra | 5,261.87 mi (8,468.17 km) |
| Astoria to Condeixa-a-Nova | 5,264.45 mi (8,472.32 km) |
| Astoria to Corroios | 5,321.32 mi (8,563.84 km) |
| Astoria to Coruche | 5,324.88 mi (8,569.56 km) |
| Astoria to Costa de Caparica | 5,316.79 mi (8,556.55 km) |
| Astoria to Covilha | 5,289.47 mi (8,512.57 km) |
| Astoria to Eiras | 5,260.41 mi (8,465.82 km) |
| Astoria to Elvas | 5,376.88 mi (8,653.25 km) |
