| Cities | Distance |
|---|---|
| Greenock to Nuth | 558.49 mi (898.80 km) |
| Greenock to Oegstgeest | 455.31 mi (732.75 km) |
| Greenock to Oirschot | 512.82 mi (825.31 km) |
| Greenock to Oisterwijk | 505.82 mi (814.03 km) |
| Greenock to Oldebroek | 493.49 mi (794.20 km) |
| Greenock to Oldenzaal | 535.04 mi (861.06 km) |
| Greenock to Ommen | 509.26 mi (819.57 km) |
| Greenock to Oosterend | 479.44 mi (771.58 km) |
| Greenock to Oosterhout | 491.96 mi (791.74 km) |
| Greenock to Oosterwolde | 488.05 mi (785.44 km) |
| Greenock to Oostzaan | 458.92 mi (738.55 km) |
| Greenock to Opmeer | 450.71 mi (725.35 km) |
| Greenock to Oss | 508.20 mi (817.86 km) |
| Greenock to Oud-Beijerland | 469.34 mi (755.33 km) |
| Greenock to Oudenbosch | 483.74 mi (778.51 km) |