| Cumbernauld to Oliveira de Frades | 1,069.13 mi (1,720.60 km) |
| Cumbernauld to Oliveira do Bairro | 1,085.40 mi (1,746.78 km) |
| Cumbernauld to Oliveira do Hospital | 1,091.13 mi (1,756.00 km) |
| Cumbernauld to Ourem | 1,145.08 mi (1,842.83 km) |
| Cumbernauld to Ovar | 1,062.72 mi (1,710.28 km) |
| Cumbernauld to Pacos de Ferreira | 1,033.43 mi (1,663.14 km) |
| Cumbernauld to Palmela | 1,221.81 mi (1,966.31 km) |
| Cumbernauld to Paredes | 1,037.40 mi (1,669.53 km) |
| Cumbernauld to Paredes de Coura | 990.92 mi (1,594.73 km) |
| Cumbernauld to Penacova | 1,100.40 mi (1,770.92 km) |
| Cumbernauld to Penafiel | 1,036.57 mi (1,668.21 km) |
| Cumbernauld to Peniche | 1,172.68 mi (1,887.25 km) |
| Cumbernauld to Peso da Regua | 1,035.33 mi (1,666.21 km) |
| Cumbernauld to Pinhal Novo | 1,217.54 mi (1,959.44 km) |
| Cumbernauld to Pinhel | 1,056.76 mi (1,700.69 km) |
