| Perth Amboy to Nuth | 3,738.46 mi (6,016.47 km) |
| Perth Amboy to Oegstgeest | 3,649.72 mi (5,873.66 km) |
| Perth Amboy to Oirschot | 3,699.94 mi (5,954.47 km) |
| Perth Amboy to Oisterwijk | 3,693.82 mi (5,944.64 km) |
| Perth Amboy to Oldebroek | 3,699.63 mi (5,953.98 km) |
| Perth Amboy to Oldenzaal | 3,743.52 mi (6,024.61 km) |
| Perth Amboy to Ommen | 3,718.17 mi (5,983.81 km) |
| Perth Amboy to Oosterend | 3,692.27 mi (5,942.13 km) |
| Perth Amboy to Oosterhout | 3,678.61 mi (5,920.15 km) |
| Perth Amboy to Oosterwolde | 3,701.32 mi (5,956.70 km) |
| Perth Amboy to Oostzaan | 3,660.08 mi (5,890.33 km) |
| Perth Amboy to Opmeer | 3,656.20 mi (5,884.08 km) |
| Perth Amboy to Oss | 3,701.79 mi (5,957.45 km) |
| Perth Amboy to Oud-Beijerland | 3,656.05 mi (5,883.85 km) |
| Perth Amboy to Oudenbosch | 3,666.64 mi (5,900.88 km) |
