| Corning to Orbetello | 4,284.32 mi (6,894.94 km) |
| Corning to Oria | 4,633.64 mi (7,457.12 km) |
| Corning to Oristano | 4,265.03 mi (6,863.90 km) |
| Corning to Orta Nova | 4,518.73 mi (7,272.20 km) |
| Corning to Orte | 4,333.59 mi (6,974.24 km) |
| Corning to Ortona | 4,423.06 mi (7,118.23 km) |
| Corning to Orvieto | 4,312.07 mi (6,939.60 km) |
| Corning to Orzinuovi | 4,122.08 mi (6,633.84 km) |
| Corning to Osimo | 4,340.81 mi (6,985.86 km) |
| Corning to Ospitaletto | 4,122.38 mi (6,634.34 km) |
| Corning to Ostuni | 4,621.92 mi (7,438.27 km) |
| Corning to Ottaviano | 4,485.46 mi (7,218.65 km) |
| Corning to Ovada | 4,095.00 mi (6,590.26 km) |
| Corning to Ozieri | 4,257.82 mi (6,852.29 km) |
| Corning to Paceco | 4,515.60 mi (7,267.15 km) |
