| Dearborn to Olivares | 3,957.75 mi (6,369.38 km) |
| Dearborn to Olivenza | 3,868.64 mi (6,225.97 km) |
| Dearborn to Olot | 4,177.08 mi (6,722.35 km) |
| Dearborn to Onate | 3,932.62 mi (6,328.94 km) |
| Dearborn to Onda | 4,136.70 mi (6,657.37 km) |
| Dearborn to Onteniente | 4,163.12 mi (6,699.89 km) |
| Dearborn to Orihuela | 4,174.94 mi (6,718.92 km) |
| Dearborn to Osuna | 4,013.63 mi (6,459.31 km) |
| Dearborn to Ourense | 3,712.22 mi (5,974.24 km) |
| Dearborn to Oviedo | 3,770.14 mi (6,067.45 km) |
| Dearborn to Paiporta | 4,149.35 mi (6,677.73 km) |
| Dearborn to Pajara | 3,904.96 mi (6,284.43 km) |
| Dearborn to Palafolls | 4,207.35 mi (6,771.08 km) |
| Dearborn to Palafrugell | 4,216.09 mi (6,785.14 km) |
| Dearborn to Palamos | 4,217.26 mi (6,787.02 km) |
