| Tualatin to Olivares | 5,492.09 mi (8,838.66 km) |
| Tualatin to Olivenza | 5,391.67 mi (8,677.05 km) |
| Tualatin to Olot | 5,512.31 mi (8,871.21 km) |
| Tualatin to Onate | 5,315.06 mi (8,553.76 km) |
| Tualatin to Onda | 5,551.04 mi (8,933.54 km) |
| Tualatin to Onteniente | 5,602.97 mi (9,017.10 km) |
| Tualatin to Orihuela | 5,632.50 mi (9,064.64 km) |
| Tualatin to Osuna | 5,538.51 mi (8,913.38 km) |
| Tualatin to Ourense | 5,174.56 mi (8,327.64 km) |
| Tualatin to Oviedo | 5,187.93 mi (8,349.16 km) |
| Tualatin to Paiporta | 5,575.63 mi (8,973.11 km) |
| Tualatin to Pajara | 5,662.20 mi (9,112.43 km) |
| Tualatin to Palafolls | 5,548.97 mi (8,930.20 km) |
| Tualatin to Palafrugell | 5,547.27 mi (8,927.47 km) |
| Tualatin to Palamos | 5,550.30 mi (8,932.34 km) |
