| Elko to Orbetello | 5,800.32 mi (9,334.71 km) |
| Elko to Oria | 6,101.97 mi (9,820.18 km) |
| Elko to Oristano | 5,853.81 mi (9,420.80 km) |
| Elko to Orta Nova | 5,998.30 mi (9,653.33 km) |
| Elko to Orte | 5,835.23 mi (9,390.89 km) |
| Elko to Ortona | 5,901.89 mi (9,498.18 km) |
| Elko to Orvieto | 5,812.55 mi (9,354.39 km) |
| Elko to Orzinuovi | 5,599.85 mi (9,012.09 km) |
| Elko to Osimo | 5,811.25 mi (9,352.30 km) |
| Elko to Ospitaletto | 5,595.66 mi (9,005.34 km) |
| Elko to Ostuni | 6,087.07 mi (9,796.19 km) |
| Elko to Ottaviano | 5,988.70 mi (9,637.88 km) |
| Elko to Ovada | 5,601.40 mi (9,014.58 km) |
| Elko to Ozieri | 5,830.80 mi (9,383.77 km) |
| Elko to Paceco | 6,088.85 mi (9,799.06 km) |
