| Diamond Bar to Benavente | 5,655.86 mi (9,102.23 km) |
| Diamond Bar to Bombarral | 5,628.07 mi (9,057.50 km) |
| Diamond Bar to Bougado | 5,566.08 mi (8,957.74 km) |
| Diamond Bar to Braga | 5,562.81 mi (8,952.48 km) |
| Diamond Bar to Braganca | 5,619.43 mi (9,043.60 km) |
| Diamond Bar to Cabeceiras de Basto | 5,580.04 mi (8,980.21 km) |
| Diamond Bar to Cacem | 5,642.44 mi (9,080.63 km) |
| Diamond Bar to Cadaval | 5,631.88 mi (9,063.64 km) |
| Diamond Bar to Caldas da Rainha | 5,623.06 mi (9,049.44 km) |
| Diamond Bar to Calheta | 5,528.44 mi (8,897.16 km) |
| Diamond Bar to Camara de Lobos | 5,538.65 mi (8,913.59 km) |
| Diamond Bar to Canico | 5,546.89 mi (8,926.86 km) |
| Diamond Bar to Cantanhede | 5,606.35 mi (9,022.54 km) |
| Diamond Bar to Carregal do Sal | 5,627.38 mi (9,056.39 km) |
| Diamond Bar to Cartaxo | 5,648.84 mi (9,090.92 km) |
