| Antrim to Oliveira de Frades | 971.61 mi (1,563.65 km) |
| Antrim to Oliveira do Bairro | 986.83 mi (1,588.15 km) |
| Antrim to Oliveira do Hospital | 995.00 mi (1,601.30 km) |
| Antrim to Ourem | 1,046.78 mi (1,684.64 km) |
| Antrim to Ovar | 963.45 mi (1,550.52 km) |
| Antrim to Pacos de Ferreira | 934.75 mi (1,504.33 km) |
| Antrim to Palmela | 1,122.98 mi (1,807.27 km) |
| Antrim to Paredes | 939.02 mi (1,511.20 km) |
| Antrim to Paredes de Coura | 891.18 mi (1,434.22 km) |
| Antrim to Penacova | 1,002.76 mi (1,613.78 km) |
| Antrim to Penafiel | 938.37 mi (1,510.16 km) |
| Antrim to Peniche | 1,071.88 mi (1,725.03 km) |
| Antrim to Peso da Regua | 939.11 mi (1,511.35 km) |
| Antrim to Pinhal Novo | 1,118.63 mi (1,800.27 km) |
| Antrim to Pinhel | 963.56 mi (1,550.70 km) |
