| East Islip to Benavente | 3,338.33 mi (5,372.53 km) |
| East Islip to Bombarral | 3,312.54 mi (5,331.02 km) |
| East Islip to Bougado | 3,286.45 mi (5,289.04 km) |
| East Islip to Braga | 3,287.65 mi (5,290.96 km) |
| East Islip to Braganca | 3,360.48 mi (5,408.17 km) |
| East Islip to Cabeceiras de Basto | 3,307.44 mi (5,322.82 km) |
| East Islip to Cacem | 3,318.79 mi (5,341.08 km) |
| East Islip to Cadaval | 3,316.21 mi (5,336.93 km) |
| East Islip to Caldas da Rainha | 3,309.69 mi (5,326.43 km) |
| East Islip to Calheta | 3,098.37 mi (4,986.35 km) |
| East Islip to Camara de Lobos | 3,109.05 mi (5,003.53 km) |
| East Islip to Canico | 3,117.37 mi (5,016.91 km) |
| East Islip to Cantanhede | 3,310.76 mi (5,328.15 km) |
| East Islip to Carregal do Sal | 3,337.24 mi (5,370.77 km) |
| East Islip to Cartaxo | 3,334.06 mi (5,365.65 km) |
