| Ponca City to Oliveira de Frades | 4,581.16 mi (7,372.66 km) |
| Ponca City to Oliveira do Bairro | 4,573.29 mi (7,360.00 km) |
| Ponca City to Oliveira do Hospital | 4,607.89 mi (7,415.69 km) |
| Ponca City to Ourem | 4,599.25 mi (7,401.77 km) |
| Ponca City to Ovar | 4,555.54 mi (7,331.43 km) |
| Ponca City to Pacos de Ferreira | 4,552.96 mi (7,327.28 km) |
| Ponca City to Palmela | 4,620.27 mi (7,435.61 km) |
| Ponca City to Paredes | 4,558.21 mi (7,335.73 km) |
| Ponca City to Paredes de Coura | 4,524.33 mi (7,281.20 km) |
| Ponca City to Penacova | 4,591.50 mi (7,389.31 km) |
| Ponca City to Penafiel | 4,560.26 mi (7,339.03 km) |
| Ponca City to Peniche | 4,572.01 mi (7,357.94 km) |
| Ponca City to Peso da Regua | 4,584.74 mi (7,378.42 km) |
| Ponca City to Pinhal Novo | 4,617.43 mi (7,431.04 km) |
| Ponca City to Pinhel | 4,629.93 mi (7,451.16 km) |
