| Elmhurst to Olivares | 4,190.49 mi (6,743.94 km) |
| Elmhurst to Olivenza | 4,100.30 mi (6,598.80 km) |
| Elmhurst to Olot | 4,396.00 mi (7,074.67 km) |
| Elmhurst to Onate | 4,154.01 mi (6,685.24 km) |
| Elmhurst to Onda | 4,361.63 mi (7,019.37 km) |
| Elmhurst to Onteniente | 4,390.07 mi (7,065.13 km) |
| Elmhurst to Orihuela | 4,403.22 mi (7,086.31 km) |
| Elmhurst to Osuna | 4,245.94 mi (6,833.17 km) |
| Elmhurst to Ourense | 3,938.79 mi (6,338.87 km) |
| Elmhurst to Oviedo | 3,993.50 mi (6,426.92 km) |
| Elmhurst to Paiporta | 4,375.24 mi (7,041.26 km) |
| Elmhurst to Pajara | 4,148.38 mi (6,676.17 km) |
| Elmhurst to Palafolls | 4,426.96 mi (7,124.50 km) |
| Elmhurst to Palafrugell | 4,434.90 mi (7,137.28 km) |
| Elmhurst to Palamos | 4,436.23 mi (7,139.42 km) |
