| Griffin to Benavente | 4,109.74 mi (6,613.99 km) |
| Griffin to Bombarral | 4,084.76 mi (6,573.79 km) |
| Griffin to Bougado | 4,067.43 mi (6,545.89 km) |
| Griffin to Braga | 4,069.51 mi (6,549.24 km) |
| Griffin to Braganca | 4,144.74 mi (6,670.31 km) |
| Griffin to Cabeceiras de Basto | 4,089.63 mi (6,581.62 km) |
| Griffin to Cacem | 4,088.66 mi (6,580.06 km) |
| Griffin to Cadaval | 4,088.36 mi (6,579.58 km) |
| Griffin to Caldas da Rainha | 4,082.52 mi (6,570.18 km) |
| Griffin to Calheta | 3,817.19 mi (6,143.17 km) |
| Griffin to Camara de Lobos | 3,828.15 mi (6,160.82 km) |
| Griffin to Canico | 3,836.42 mi (6,174.12 km) |
| Griffin to Cantanhede | 4,088.02 mi (6,579.03 km) |
| Griffin to Carregal do Sal | 4,115.50 mi (6,623.26 km) |
| Griffin to Cartaxo | 4,106.26 mi (6,608.39 km) |
