| Greenock to Nowy Dwor Mazowiecki | 1,051.84 mi (1,692.77 km) |
| Greenock to Nowy Sacz | 1,141.98 mi (1,837.85 km) |
| Greenock to Nowy Targ | 1,122.12 mi (1,805.88 km) |
| Greenock to Nowy Tomysl | 878.58 mi (1,413.94 km) |
| Greenock to Nysa | 984.24 mi (1,583.99 km) |
| Greenock to Oborniki | 895.44 mi (1,441.07 km) |
| Greenock to Oborniki Slaskie | 939.49 mi (1,511.97 km) |
| Greenock to Olawa | 966.84 mi (1,555.98 km) |
| Greenock to Olecko | 1,081.65 mi (1,740.74 km) |
| Greenock to Olesnica | 961.05 mi (1,546.66 km) |
| Greenock to Olesno | 1,011.20 mi (1,627.38 km) |
| Greenock to Olkusz | 1,075.35 mi (1,730.60 km) |
| Greenock to Olsztyn | 1,009.17 mi (1,624.10 km) |
| Greenock to Opalenica | 889.59 mi (1,431.65 km) |
| Greenock to Opoczno | 1,066.38 mi (1,716.17 km) |
