| Flagstaff to Oliveira de Frades | 5,291.67 mi (8,516.12 km) |
| Flagstaff to Oliveira do Bairro | 5,286.04 mi (8,507.05 km) |
| Flagstaff to Oliveira do Hospital | 5,319.71 mi (8,561.24 km) |
| Flagstaff to Ourem | 5,317.61 mi (8,557.86 km) |
| Flagstaff to Ovar | 5,266.45 mi (8,475.53 km) |
| Flagstaff to Pacos de Ferreira | 5,260.58 mi (8,466.09 km) |
| Flagstaff to Palmela | 5,346.16 mi (8,603.81 km) |
| Flagstaff to Paredes | 5,266.06 mi (8,474.91 km) |
| Flagstaff to Paredes de Coura | 5,228.19 mi (8,413.96 km) |
| Flagstaff to Penacova | 5,305.15 mi (8,537.81 km) |
| Flagstaff to Penafiel | 5,267.92 mi (8,477.90 km) |
| Flagstaff to Peniche | 5,294.57 mi (8,520.78 km) |
| Flagstaff to Peso da Regua | 5,291.12 mi (8,515.23 km) |
| Flagstaff to Pinhal Novo | 5,342.98 mi (8,598.69 km) |
| Flagstaff to Pinhel | 5,336.58 mi (8,588.40 km) |
