| Memphis to Orbetello | 5,131.75 mi (8,258.75 km) |
| Memphis to Oria | 5,480.06 mi (8,819.30 km) |
| Memphis to Oristano | 5,113.15 mi (8,228.82 km) |
| Memphis to Orta Nova | 5,365.34 mi (8,634.69 km) |
| Memphis to Orte | 5,180.64 mi (8,337.43 km) |
| Memphis to Ortona | 5,269.40 mi (8,480.28 km) |
| Memphis to Orvieto | 5,159.03 mi (8,302.66 km) |
| Memphis to Orzinuovi | 4,967.48 mi (7,994.39 km) |
| Memphis to Osimo | 5,186.53 mi (8,346.91 km) |
| Memphis to Ospitaletto | 4,967.54 mi (7,994.49 km) |
| Memphis to Ostuni | 5,468.17 mi (8,800.17 km) |
| Memphis to Ottaviano | 5,332.85 mi (8,582.39 km) |
| Memphis to Ovada | 4,941.70 mi (7,952.90 km) |
| Memphis to Ozieri | 5,106.05 mi (8,217.39 km) |
| Memphis to Paceco | 5,363.74 mi (8,632.11 km) |
