| Defiance to Olivares | 4,040.71 mi (6,502.90 km) |
| Defiance to Olivenza | 3,952.22 mi (6,360.48 km) |
| Defiance to Olot | 4,265.37 mi (6,864.45 km) |
| Defiance to Onate | 4,020.26 mi (6,469.98 km) |
| Defiance to Onda | 4,223.14 mi (6,796.49 km) |
| Defiance to Onteniente | 4,248.79 mi (6,837.77 km) |
| Defiance to Orihuela | 4,260.07 mi (6,855.91 km) |
| Defiance to Osuna | 4,096.82 mi (6,593.20 km) |
| Defiance to Ourense | 3,798.13 mi (6,112.51 km) |
| Defiance to Oviedo | 3,857.19 mi (6,207.55 km) |
| Defiance to Paiporta | 4,235.44 mi (6,816.28 km) |
| Defiance to Pajara | 3,976.15 mi (6,398.99 km) |
| Defiance to Palafolls | 4,295.46 mi (6,912.87 km) |
| Defiance to Palafrugell | 4,304.40 mi (6,927.27 km) |
| Defiance to Palamos | 4,305.54 mi (6,929.09 km) |
