| Elk River to Olivares | 4,338.23 mi (6,981.71 km) |
| Elk River to Olivenza | 4,243.87 mi (6,829.85 km) |
| Elk River to Olot | 4,491.17 mi (7,227.83 km) |
| Elk River to Onate | 4,258.90 mi (6,854.03 km) |
| Elk River to Onda | 4,477.43 mi (7,205.72 km) |
| Elk River to Onteniente | 4,513.11 mi (7,263.15 km) |
| Elk River to Orihuela | 4,531.27 mi (7,292.38 km) |
| Elk River to Osuna | 4,391.46 mi (7,067.38 km) |
| Elk River to Ourense | 4,063.27 mi (6,539.20 km) |
| Elk River to Oviedo | 4,106.16 mi (6,608.23 km) |
| Elk River to Paiporta | 4,494.42 mi (7,233.07 km) |
| Elk River to Pajara | 4,367.00 mi (7,028.01 km) |
| Elk River to Palafolls | 4,524.15 mi (7,280.91 km) |
| Elk River to Palafrugell | 4,529.46 mi (7,289.46 km) |
| Elk River to Palamos | 4,531.29 mi (7,292.40 km) |
