| Formia to Oliveira do Bairro | 1,153.22 mi (1,855.92 km) |
| Formia to Oliveira do Hospital | 1,122.10 mi (1,805.85 km) |
| Formia to Ourem | 1,168.35 mi (1,880.28 km) |
| Formia to Ovar | 1,156.21 mi (1,860.75 km) |
| Formia to Pacos de Ferreira | 1,140.33 mi (1,835.18 km) |
| Formia to Palmela | 1,204.23 mi (1,938.03 km) |
| Formia to Paredes | 1,137.49 mi (1,830.61 km) |
| Formia to Paredes de Coura | 1,143.79 mi (1,840.76 km) |
| Formia to Penacova | 1,145.01 mi (1,842.71 km) |
| Formia to Penafiel | 1,134.89 mi (1,826.43 km) |
| Formia to Peniche | 1,214.60 mi (1,954.71 km) |
| Formia to Peso da Regua | 1,109.09 mi (1,784.90 km) |
| Formia to Pinhal Novo | 1,203.74 mi (1,937.23 km) |
| Formia to Pinhel | 1,076.10 mi (1,731.82 km) |
| Formia to Pombal | 1,167.65 mi (1,879.14 km) |
