| Conroe to Oliveira de Frades | 4,759.77 mi (7,660.10 km) |
| Conroe to Oliveira do Bairro | 4,749.67 mi (7,643.86 km) |
| Conroe to Oliveira do Hospital | 4,784.82 mi (7,700.42 km) |
| Conroe to Ourem | 4,769.31 mi (7,675.47 km) |
| Conroe to Ovar | 4,734.05 mi (7,618.72 km) |
| Conroe to Pacos de Ferreira | 4,734.90 mi (7,620.08 km) |
| Conroe to Palmela | 4,781.74 mi (7,695.47 km) |
| Conroe to Paredes | 4,739.85 mi (7,628.04 km) |
| Conroe to Paredes de Coura | 4,710.43 mi (7,580.71 km) |
| Conroe to Penacova | 4,766.70 mi (7,671.27 km) |
| Conroe to Penafiel | 4,742.06 mi (7,631.61 km) |
| Conroe to Peniche | 4,737.82 mi (7,624.78 km) |
| Conroe to Peso da Regua | 4,767.54 mi (7,672.62 km) |
| Conroe to Pinhal Novo | 4,779.32 mi (7,691.58 km) |
| Conroe to Pinhel | 4,811.89 mi (7,743.99 km) |
