| Irving to Benavente | 4,751.79 mi (7,647.27 km) |
| Irving to Bombarral | 4,725.61 mi (7,605.14 km) |
| Irving to Bougado | 4,693.06 mi (7,552.76 km) |
| Irving to Braga | 4,693.35 mi (7,553.22 km) |
| Irving to Braganca | 4,763.17 mi (7,665.58 km) |
| Irving to Cabeceiras de Basto | 4,712.73 mi (7,584.41 km) |
| Irving to Cacem | 4,733.02 mi (7,617.07 km) |
| Irving to Cadaval | 4,729.32 mi (7,611.10 km) |
| Irving to Caldas da Rainha | 4,722.42 mi (7,600.01 km) |
| Irving to Calheta | 4,509.43 mi (7,257.23 km) |
| Irving to Camara de Lobos | 4,520.24 mi (7,274.62 km) |
| Irving to Canico | 4,528.55 mi (7,287.99 km) |
| Irving to Cantanhede | 4,720.55 mi (7,596.99 km) |
| Irving to Carregal do Sal | 4,746.17 mi (7,638.23 km) |
| Irving to Cartaxo | 4,747.10 mi (7,639.72 km) |
