| Security-Widefield to Oliveira de Frades | 4,840.58 mi (7,790.16 km) |
| Security-Widefield to Oliveira do Bairro | 4,834.70 mi (7,780.69 km) |
| Security-Widefield to Oliveira do Hospital | 4,868.49 mi (7,835.07 km) |
| Security-Widefield to Ourem | 4,865.71 mi (7,830.60 km) |
| Security-Widefield to Ovar | 4,815.30 mi (7,749.47 km) |
| Security-Widefield to Pacos de Ferreira | 4,809.81 mi (7,740.64 km) |
| Security-Widefield to Palmela | 4,893.62 mi (7,875.52 km) |
| Security-Widefield to Paredes | 4,815.27 mi (7,749.42 km) |
| Security-Widefield to Paredes de Coura | 4,777.86 mi (7,689.22 km) |
| Security-Widefield to Penacova | 4,853.72 mi (7,811.31 km) |
| Security-Widefield to Penafiel | 4,817.15 mi (7,752.45 km) |
| Security-Widefield to Peniche | 4,842.28 mi (7,792.89 km) |
| Security-Widefield to Peso da Regua | 4,840.51 mi (7,790.05 km) |
| Security-Widefield to Pinhal Novo | 4,890.47 mi (7,870.44 km) |
| Security-Widefield to Pinhel | 4,885.97 mi (7,863.22 km) |
