| Zero Branco to Olivenza | 1,092.85 mi (1,758.78 km) |
| Zero Branco to Olot | 536.14 mi (862.84 km) |
| Zero Branco to Onate | 741.28 mi (1,192.97 km) |
| Zero Branco to Onda | 739.74 mi (1,190.50 km) |
| Zero Branco to Onteniente | 802.57 mi (1,291.61 km) |
| Zero Branco to Orihuela | 849.75 mi (1,367.54 km) |
| Zero Branco to Osuna | 1,061.69 mi (1,708.63 km) |
| Zero Branco to Ourense | 1,018.36 mi (1,638.90 km) |
| Zero Branco to Oviedo | 899.33 mi (1,447.33 km) |
| Zero Branco to Paiporta | 768.46 mi (1,236.71 km) |
| Zero Branco to Pajara | 1,861.73 mi (2,996.17 km) |
| Zero Branco to Palafolls | 543.06 mi (873.97 km) |
| Zero Branco to Palafrugell | 515.91 mi (830.27 km) |
| Zero Branco to Palamos | 520.06 mi (836.96 km) |
| Zero Branco to Palencia | 866.87 mi (1,395.09 km) |
