| Riviera Beach to Oliveira de Frades | 4,126.16 mi (6,640.41 km) |
| Riviera Beach to Oliveira do Bairro | 4,112.40 mi (6,618.27 km) |
| Riviera Beach to Oliveira do Hospital | 4,147.38 mi (6,674.56 km) |
| Riviera Beach to Ourem | 4,120.24 mi (6,630.88 km) |
| Riviera Beach to Ovar | 4,101.12 mi (6,600.12 km) |
| Riviera Beach to Pacos de Ferreira | 4,108.13 mi (6,611.40 km) |
| Riviera Beach to Palmela | 4,117.42 mi (6,626.35 km) |
| Riviera Beach to Paredes | 4,112.36 mi (6,618.21 km) |
| Riviera Beach to Paredes de Coura | 4,092.10 mi (6,585.60 km) |
| Riviera Beach to Penacova | 4,126.78 mi (6,641.41 km) |
| Riviera Beach to Penafiel | 4,114.81 mi (6,622.15 km) |
| Riviera Beach to Peniche | 4,082.31 mi (6,569.85 km) |
| Riviera Beach to Peso da Regua | 4,141.27 mi (6,664.74 km) |
| Riviera Beach to Pinhal Novo | 4,115.79 mi (6,623.73 km) |
| Riviera Beach to Pinhel | 4,182.65 mi (6,731.33 km) |
