| Ridgefield Park to Orbetello | 4,201.09 mi (6,761.01 km) |
| Ridgefield Park to Oria | 4,553.67 mi (7,328.42 km) |
| Ridgefield Park to Oristano | 4,171.79 mi (6,713.85 km) |
| Ridgefield Park to Orta Nova | 4,438.31 mi (7,142.77 km) |
| Ridgefield Park to Orte | 4,251.88 mi (6,842.74 km) |
| Ridgefield Park to Ortona | 4,343.60 mi (6,990.35 km) |
| Ridgefield Park to Orvieto | 4,230.71 mi (6,808.68 km) |
| Ridgefield Park to Orzinuovi | 4,045.63 mi (6,510.82 km) |
| Ridgefield Park to Osimo | 4,263.24 mi (6,861.03 km) |
| Ridgefield Park to Ospitaletto | 4,046.55 mi (6,512.29 km) |
| Ridgefield Park to Ostuni | 4,542.48 mi (7,310.41 km) |
| Ridgefield Park to Ottaviano | 4,402.18 mi (7,084.62 km) |
| Ridgefield Park to Ovada | 4,014.87 mi (6,461.31 km) |
| Ridgefield Park to Ozieri | 4,166.88 mi (6,705.95 km) |
| Ridgefield Park to Paceco | 4,422.53 mi (7,117.37 km) |
