| Darien to Olivares | 4,196.86 mi (6,754.19 km) |
| Darien to Olivenza | 4,106.79 mi (6,609.24 km) |
| Darien to Olot | 4,403.59 mi (7,086.89 km) |
| Darien to Onate | 4,161.42 mi (6,697.15 km) |
| Darien to Onda | 4,368.77 mi (7,030.85 km) |
| Darien to Onteniente | 4,397.03 mi (7,076.33 km) |
| Darien to Orihuela | 4,410.06 mi (7,097.31 km) |
| Darien to Osuna | 4,252.36 mi (6,843.51 km) |
| Darien to Ourense | 3,945.77 mi (6,350.10 km) |
| Darien to Oviedo | 4,000.75 mi (6,438.59 km) |
| Darien to Paiporta | 4,382.29 mi (7,052.61 km) |
| Darien to Pajara | 4,152.66 mi (6,683.05 km) |
| Darien to Palafolls | 4,434.50 mi (7,136.64 km) |
| Darien to Palafrugell | 4,442.50 mi (7,149.51 km) |
| Darien to Palamos | 4,443.81 mi (7,151.63 km) |
