| Oskaloosa to Oliveira de Frades | 4,211.69 mi (6,778.06 km) |
| Oskaloosa to Oliveira do Bairro | 4,204.63 mi (6,766.70 km) |
| Oskaloosa to Oliveira do Hospital | 4,238.94 mi (6,821.91 km) |
| Oskaloosa to Ourem | 4,232.77 mi (6,811.99 km) |
| Oskaloosa to Ovar | 4,186.18 mi (6,737.01 km) |
| Oskaloosa to Pacos de Ferreira | 4,182.42 mi (6,730.96 km) |
| Oskaloosa to Palmela | 4,256.92 mi (6,850.86 km) |
| Oskaloosa to Paredes | 4,187.76 mi (6,739.56 km) |
| Oskaloosa to Paredes de Coura | 4,152.46 mi (6,682.75 km) |
| Oskaloosa to Penacova | 4,223.20 mi (6,796.59 km) |
| Oskaloosa to Penafiel | 4,189.75 mi (6,742.75 km) |
| Oskaloosa to Peniche | 4,207.19 mi (6,770.82 km) |
| Oskaloosa to Peso da Regua | 4,213.82 mi (6,781.48 km) |
| Oskaloosa to Pinhal Novo | 4,253.93 mi (6,846.05 km) |
| Oskaloosa to Pinhel | 4,259.17 mi (6,854.47 km) |
