| Suffern to Orbetello | 4,196.81 mi (6,754.11 km) |
| Suffern to Oria | 4,549.05 mi (7,320.99 km) |
| Suffern to Oristano | 4,168.70 mi (6,708.87 km) |
| Suffern to Orta Nova | 4,433.73 mi (7,135.40 km) |
| Suffern to Orte | 4,247.43 mi (6,835.57 km) |
| Suffern to Ortona | 4,338.90 mi (6,982.79 km) |
| Suffern to Orvieto | 4,226.22 mi (6,801.44 km) |
| Suffern to Orzinuovi | 4,040.56 mi (6,502.65 km) |
| Suffern to Osimo | 4,258.32 mi (6,853.10 km) |
| Suffern to Ospitaletto | 4,041.41 mi (6,504.01 km) |
| Suffern to Ostuni | 4,537.79 mi (7,302.87 km) |
| Suffern to Ottaviano | 4,397.92 mi (7,077.77 km) |
| Suffern to Ovada | 4,010.21 mi (6,453.80 km) |
| Suffern to Ozieri | 4,163.51 mi (6,700.52 km) |
| Suffern to Paceco | 4,419.44 mi (7,112.41 km) |
