| Rio Grande City to Oliveira de Frades | 5,085.50 mi (8,184.32 km) |
| Rio Grande City to Oliveira do Bairro | 5,074.91 mi (8,167.28 km) |
| Rio Grande City to Oliveira do Hospital | 5,110.12 mi (8,223.94 km) |
| Rio Grande City to Ourem | 5,093.02 mi (8,196.43 km) |
| Rio Grande City to Ovar | 5,059.81 mi (8,142.98 km) |
| Rio Grande City to Pacos de Ferreira | 5,061.42 mi (8,145.57 km) |
| Rio Grande City to Palmela | 5,103.30 mi (8,212.96 km) |
| Rio Grande City to Paredes | 5,066.30 mi (8,153.42 km) |
| Rio Grande City to Paredes de Coura | 5,037.91 mi (8,107.73 km) |
| Rio Grande City to Penacova | 5,091.64 mi (8,194.20 km) |
| Rio Grande City to Penafiel | 5,068.55 mi (8,157.04 km) |
| Rio Grande City to Peniche | 5,060.55 mi (8,144.17 km) |
| Rio Grande City to Peso da Regua | 5,094.20 mi (8,198.33 km) |
| Rio Grande City to Pinhal Novo | 5,100.99 mi (8,209.25 km) |
| Rio Grande City to Pinhel | 5,138.29 mi (8,269.28 km) |
