| Olive Branch to Orbetello | 5,133.39 mi (8,261.39 km) |
| Olive Branch to Oria | 5,481.96 mi (8,822.36 km) |
| Olive Branch to Oristano | 5,114.08 mi (8,230.32 km) |
| Olive Branch to Orta Nova | 5,367.20 mi (8,637.68 km) |
| Olive Branch to Orte | 5,182.39 mi (8,340.25 km) |
| Olive Branch to Ortona | 5,271.32 mi (8,483.37 km) |
| Olive Branch to Orvieto | 5,160.81 mi (8,305.52 km) |
| Olive Branch to Orzinuovi | 4,969.57 mi (7,997.75 km) |
| Olive Branch to Osimo | 5,188.56 mi (8,350.18 km) |
| Olive Branch to Ospitaletto | 4,969.66 mi (7,997.90 km) |
| Olive Branch to Ostuni | 5,470.11 mi (8,803.30 km) |
| Olive Branch to Ottaviano | 5,334.51 mi (8,585.06 km) |
| Olive Branch to Ovada | 4,943.53 mi (7,955.85 km) |
| Olive Branch to Ozieri | 5,107.15 mi (8,219.16 km) |
| Olive Branch to Paceco | 5,364.71 mi (8,633.66 km) |
