| New London to Orbetello | 4,098.29 mi (6,595.55 km) |
| New London to Oria | 4,451.31 mi (7,163.68 km) |
| New London to Oristano | 4,067.66 mi (6,546.26 km) |
| New London to Orta Nova | 4,335.90 mi (6,977.95 km) |
| New London to Orte | 4,149.30 mi (6,677.65 km) |
| New London to Ortona | 4,241.36 mi (6,825.81 km) |
| New London to Orvieto | 4,128.19 mi (6,643.68 km) |
| New London to Orzinuovi | 3,943.97 mi (6,347.21 km) |
| New London to Osimo | 4,161.34 mi (6,697.02 km) |
| New London to Ospitaletto | 3,945.00 mi (6,348.86 km) |
| New London to Ostuni | 4,440.20 mi (7,145.81 km) |
| New London to Ottaviano | 4,299.32 mi (6,919.09 km) |
| New London to Ovada | 3,912.59 mi (6,296.70 km) |
| New London to Ozieri | 4,063.02 mi (6,538.80 km) |
| New London to Paceco | 4,318.39 mi (6,949.77 km) |
