| Castellana Grotte to Bombarral | 1,390.85 mi (2,238.36 km) |
| Castellana Grotte to Bougado | 1,334.67 mi (2,147.95 km) |
| Castellana Grotte to Braga | 1,325.76 mi (2,133.60 km) |
| Castellana Grotte to Braganca | 1,238.69 mi (1,993.47 km) |
| Castellana Grotte to Cabeceiras de Basto | 1,305.17 mi (2,100.47 km) |
| Castellana Grotte to Cacem | 1,406.98 mi (2,264.32 km) |
| Castellana Grotte to Cadaval | 1,388.51 mi (2,234.60 km) |
| Castellana Grotte to Caldas da Rainha | 1,387.69 mi (2,233.27 km) |
| Castellana Grotte to Calheta | 1,967.05 mi (3,165.67 km) |
| Castellana Grotte to Camara de Lobos | 1,958.24 mi (3,151.48 km) |
| Castellana Grotte to Canico | 1,953.28 mi (3,143.50 km) |
| Castellana Grotte to Cantanhede | 1,346.75 mi (2,167.38 km) |
| Castellana Grotte to Carregal do Sal | 1,314.92 mi (2,116.15 km) |
| Castellana Grotte to Cartaxo | 1,373.32 mi (2,210.15 km) |
| Castellana Grotte to Cascais | 1,413.87 mi (2,275.40 km) |
