| Elkhorn to Orbetello | 4,737.20 mi (7,623.79 km) |
| Elkhorn to Oria | 5,076.44 mi (8,169.74 km) |
| Elkhorn to Oristano | 4,740.03 mi (7,628.34 km) |
| Elkhorn to Orta Nova | 4,963.45 mi (7,987.91 km) |
| Elkhorn to Orte | 4,782.68 mi (7,696.98 km) |
| Elkhorn to Ortona | 4,866.32 mi (7,831.58 km) |
| Elkhorn to Orvieto | 4,760.53 mi (7,661.33 km) |
| Elkhorn to Orzinuovi | 4,560.94 mi (7,340.13 km) |
| Elkhorn to Osimo | 4,780.40 mi (7,693.31 km) |
| Elkhorn to Ospitaletto | 4,559.85 mi (7,338.36 km) |
| Elkhorn to Ostuni | 5,063.61 mi (8,149.09 km) |
| Elkhorn to Ottaviano | 4,936.95 mi (7,945.25 km) |
| Elkhorn to Ovada | 4,542.46 mi (7,310.38 km) |
| Elkhorn to Ozieri | 4,727.90 mi (7,608.82 km) |
| Elkhorn to Paceco | 4,988.57 mi (8,028.34 km) |
