| Allison Park to Orbetello | 4,470.00 mi (7,193.78 km) |
| Allison Park to Oria | 4,819.39 mi (7,756.06 km) |
| Allison Park to Oristano | 4,450.05 mi (7,161.67 km) |
| Allison Park to Orta Nova | 4,704.48 mi (7,571.13 km) |
| Allison Park to Orte | 4,519.31 mi (7,273.13 km) |
| Allison Park to Ortona | 4,608.81 mi (7,417.16 km) |
| Allison Park to Orvieto | 4,497.80 mi (7,238.51 km) |
| Allison Park to Orzinuovi | 4,307.81 mi (6,932.75 km) |
| Allison Park to Osimo | 4,526.56 mi (7,284.79 km) |
| Allison Park to Ospitaletto | 4,308.11 mi (6,933.23 km) |
| Allison Park to Ostuni | 4,807.68 mi (7,737.21 km) |
| Allison Park to Ottaviano | 4,671.15 mi (7,517.49 km) |
| Allison Park to Ovada | 4,280.74 mi (6,889.19 km) |
| Allison Park to Ozieri | 4,443.06 mi (7,150.41 km) |
| Allison Park to Paceco | 4,700.66 mi (7,564.98 km) |
