| Duarte to Olivares | 5,833.33 mi (9,387.84 km) |
| Duarte to Olivenza | 5,737.85 mi (9,234.18 km) |
| Duarte to Olot | 5,955.30 mi (9,584.12 km) |
| Duarte to Onate | 5,732.30 mi (9,225.24 km) |
| Duarte to Onda | 5,957.02 mi (9,586.90 km) |
| Duarte to Onteniente | 5,996.95 mi (9,651.16 km) |
| Duarte to Orihuela | 6,017.79 mi (9,684.69 km) |
| Duarte to Osuna | 5,885.78 mi (9,472.25 km) |
| Duarte to Ourense | 5,549.76 mi (8,931.47 km) |
| Duarte to Oviedo | 5,585.73 mi (8,989.36 km) |
| Duarte to Paiporta | 5,976.05 mi (9,617.53 km) |
| Duarte to Pajara | 5,852.42 mi (9,418.57 km) |
| Duarte to Palafolls | 5,989.72 mi (9,639.52 km) |
| Duarte to Palafrugell | 5,992.77 mi (9,644.44 km) |
| Duarte to Palamos | 5,995.01 mi (9,648.03 km) |
