| Portage to Olivares | 4,072.22 mi (6,553.61 km) |
| Portage to Olivenza | 3,982.50 mi (6,409.21 km) |
| Portage to Olot | 4,283.88 mi (6,894.24 km) |
| Portage to Onate | 4,040.75 mi (6,502.96 km) |
| Portage to Onda | 4,246.81 mi (6,834.58 km) |
| Portage to Onteniente | 4,274.35 mi (6,878.90 km) |
| Portage to Orihuela | 4,286.92 mi (6,899.13 km) |
| Portage to Osuna | 4,127.86 mi (6,643.15 km) |
| Portage to Ourense | 3,823.20 mi (6,152.84 km) |
| Portage to Oviedo | 3,879.34 mi (6,243.20 km) |
| Portage to Paiporta | 4,259.99 mi (6,855.79 km) |
| Portage to Pajara | 4,025.96 mi (6,479.15 km) |
| Portage to Palafolls | 4,314.54 mi (6,943.58 km) |
| Portage to Palafrugell | 4,322.84 mi (6,956.94 km) |
| Portage to Palamos | 4,324.10 mi (6,958.96 km) |
