| Romilly-sur-Seine to Oliveira do Bairro | 815.68 mi (1,312.71 km) |
| Romilly-sur-Seine to Oliveira do Hospital | 801.14 mi (1,289.31 km) |
| Romilly-sur-Seine to Ourem | 862.55 mi (1,388.14 km) |
| Romilly-sur-Seine to Ovar | 803.14 mi (1,292.53 km) |
| Romilly-sur-Seine to Pacos de Ferreira | 775.04 mi (1,247.31 km) |
| Romilly-sur-Seine to Palmela | 931.65 mi (1,499.34 km) |
| Romilly-sur-Seine to Paredes | 775.80 mi (1,248.53 km) |
| Romilly-sur-Seine to Paredes de Coura | 750.75 mi (1,208.21 km) |
| Romilly-sur-Seine to Penacova | 820.45 mi (1,320.39 km) |
| Romilly-sur-Seine to Penafiel | 773.69 mi (1,245.13 km) |
| Romilly-sur-Seine to Peniche | 906.20 mi (1,458.38 km) |
| Romilly-sur-Seine to Peso da Regua | 757.15 mi (1,218.51 km) |
| Romilly-sur-Seine to Pinhal Novo | 928.64 mi (1,494.50 km) |
| Romilly-sur-Seine to Pinhel | 751.55 mi (1,209.50 km) |
| Romilly-sur-Seine to Pombal | 850.86 mi (1,369.32 km) |
