| North Arlington to Orbetello | 4,208.31 mi (6,772.61 km) |
| North Arlington to Oria | 4,560.90 mi (7,340.05 km) |
| North Arlington to Oristano | 4,178.93 mi (6,725.35 km) |
| North Arlington to Orta Nova | 4,445.54 mi (7,154.40 km) |
| North Arlington to Orte | 4,259.10 mi (6,854.36 km) |
| North Arlington to Ortona | 4,350.83 mi (7,001.99 km) |
| North Arlington to Orvieto | 4,237.94 mi (6,820.30 km) |
| North Arlington to Orzinuovi | 4,052.88 mi (6,522.48 km) |
| North Arlington to Osimo | 4,270.48 mi (6,872.68 km) |
| North Arlington to Ospitaletto | 4,053.80 mi (6,523.96 km) |
| North Arlington to Ostuni | 4,549.71 mi (7,322.04 km) |
| North Arlington to Ottaviano | 4,409.39 mi (7,096.22 km) |
| North Arlington to Ovada | 4,022.10 mi (6,472.94 km) |
| North Arlington to Ozieri | 4,174.04 mi (6,717.47 km) |
| North Arlington to Paceco | 4,429.67 mi (7,128.87 km) |
