| Johnston to Oliveira de Frades | 4,246.00 mi (6,833.27 km) |
| Johnston to Oliveira do Bairro | 4,239.25 mi (6,822.41 km) |
| Johnston to Oliveira do Hospital | 4,273.43 mi (6,877.41 km) |
| Johnston to Ourem | 4,268.17 mi (6,868.96 km) |
| Johnston to Ovar | 4,220.54 mi (6,792.30 km) |
| Johnston to Pacos de Ferreira | 4,216.33 mi (6,785.53 km) |
| Johnston to Palmela | 4,293.39 mi (6,909.54 km) |
| Johnston to Paredes | 4,221.70 mi (6,794.17 km) |
| Johnston to Paredes de Coura | 4,185.85 mi (6,736.48 km) |
| Johnston to Penacova | 4,257.94 mi (6,852.50 km) |
| Johnston to Penafiel | 4,223.66 mi (6,797.33 km) |
| Johnston to Peniche | 4,243.18 mi (6,828.75 km) |
| Johnston to Peso da Regua | 4,247.55 mi (6,835.78 km) |
| Johnston to Pinhal Novo | 4,290.35 mi (6,904.65 km) |
| Johnston to Pinhel | 4,292.95 mi (6,908.83 km) |
