| Astoria to Nuth | 5,089.25 mi (8,190.35 km) |
| Astoria to Oegstgeest | 4,982.66 mi (8,018.81 km) |
| Astoria to Oirschot | 5,041.71 mi (8,113.85 km) |
| Astoria to Oisterwijk | 5,034.54 mi (8,102.31 km) |
| Astoria to Oldebroek | 5,001.66 mi (8,049.39 km) |
| Astoria to Oldenzaal | 5,033.46 mi (8,100.58 km) |
| Astoria to Ommen | 5,009.93 mi (8,062.70 km) |
| Astoria to Oosterend | 4,973.83 mi (8,004.60 km) |
| Astoria to Oosterhout | 5,022.82 mi (8,083.44 km) |
| Astoria to Oosterwolde | 4,979.81 mi (8,014.23 km) |
| Astoria to Oostzaan | 4,978.48 mi (8,012.10 km) |
| Astoria to Opmeer | 4,964.91 mi (7,990.25 km) |
| Astoria to Oss | 5,031.68 mi (8,097.70 km) |
| Astoria to Oud-Beijerland | 5,001.83 mi (8,049.67 km) |
| Astoria to Oudenbosch | 5,017.77 mi (8,075.32 km) |
