| La Grange Park to Orbetello | 4,746.81 mi (7,639.25 km) |
| La Grange Park to Oria | 5,088.04 mi (8,188.41 km) |
| La Grange Park to Oristano | 4,745.61 mi (7,637.33 km) |
| La Grange Park to Orta Nova | 4,974.64 mi (8,005.91 km) |
| La Grange Park to Orte | 4,792.98 mi (7,713.56 km) |
| La Grange Park to Ortona | 4,877.68 mi (7,849.87 km) |
| La Grange Park to Orvieto | 4,770.92 mi (7,678.06 km) |
| La Grange Park to Orzinuovi | 4,572.79 mi (7,359.20 km) |
| La Grange Park to Osimo | 4,792.31 mi (7,712.48 km) |
| La Grange Park to Ospitaletto | 4,571.93 mi (7,357.81 km) |
| La Grange Park to Ostuni | 5,075.39 mi (8,168.05 km) |
| La Grange Park to Ottaviano | 4,946.95 mi (7,961.35 km) |
| La Grange Park to Ovada | 4,552.85 mi (7,327.10 km) |
| La Grange Park to Ozieri | 4,734.40 mi (7,619.28 km) |
| La Grange Park to Paceco | 4,994.71 mi (8,038.22 km) |
