| Greenlawn to Nuth | 3,686.73 mi (5,933.22 km) |
| Greenlawn to Oegstgeest | 3,598.23 mi (5,790.80 km) |
| Greenlawn to Oirschot | 3,648.32 mi (5,871.40 km) |
| Greenlawn to Oisterwijk | 3,642.22 mi (5,861.59 km) |
| Greenlawn to Oldebroek | 3,648.30 mi (5,871.37 km) |
| Greenlawn to Oldenzaal | 3,692.22 mi (5,942.06 km) |
| Greenlawn to Ommen | 3,666.89 mi (5,901.29 km) |
| Greenlawn to Oosterend | 3,641.11 mi (5,859.80 km) |
| Greenlawn to Oosterhout | 3,627.00 mi (5,837.09 km) |
| Greenlawn to Oosterwolde | 3,650.18 mi (5,874.39 km) |
| Greenlawn to Oostzaan | 3,608.68 mi (5,807.62 km) |
| Greenlawn to Opmeer | 3,604.88 mi (5,801.49 km) |
| Greenlawn to Oss | 3,650.25 mi (5,874.51 km) |
| Greenlawn to Oud-Beijerland | 3,604.46 mi (5,800.82 km) |
| Greenlawn to Oudenbosch | 3,614.99 mi (5,817.77 km) |
