| Griffin to Oliveira de Frades | 4,099.91 mi (6,598.18 km) |
| Griffin to Oliveira do Bairro | 4,088.80 mi (6,580.29 km) |
| Griffin to Oliveira do Hospital | 4,124.04 mi (6,637.00 km) |
| Griffin to Ourem | 4,105.45 mi (6,607.08 km) |
| Griffin to Ovar | 4,074.28 mi (6,556.92 km) |
| Griffin to Pacos de Ferreira | 4,076.80 mi (6,560.98 km) |
| Griffin to Palmela | 4,114.16 mi (6,621.10 km) |
| Griffin to Paredes | 4,081.58 mi (6,568.66 km) |
| Griffin to Paredes de Coura | 4,054.59 mi (6,525.23 km) |
| Griffin to Penacova | 4,105.20 mi (6,606.68 km) |
| Griffin to Penafiel | 4,083.87 mi (6,572.35 km) |
| Griffin to Peniche | 4,072.22 mi (6,553.60 km) |
| Griffin to Peso da Regua | 4,109.73 mi (6,613.97 km) |
| Griffin to Pinhal Novo | 4,111.92 mi (6,617.50 km) |
| Griffin to Pinhel | 4,153.44 mi (6,684.32 km) |
