| Greenock to Yuncos | 1,097.04 mi (1,765.52 km) |
| Greenock to Zafra | 1,213.83 mi (1,953.47 km) |
| Greenock to Zamora | 999.16 mi (1,608.00 km) |
| Greenock to Zaragoza | 1,003.30 mi (1,614.66 km) |
| Greenock to Zarautz | 882.72 mi (1,420.60 km) |
| Greenock to Zuera | 989.09 mi (1,591.79 km) |
| Greenock to Zumaia | 881.25 mi (1,418.24 km) |
| Greenock to Zumarraga | 895.63 mi (1,441.37 km) |
| Greenock to Longyearbyen | 1,611.74 mi (2,593.84 km) |
| Greenock to Ahus | 734.90 mi (1,182.70 km) |
| Greenock to Akersberga | 880.43 mi (1,416.91 km) |
| Greenock to Alingsas | 664.23 mi (1,068.97 km) |
| Greenock to Almhult | 724.32 mi (1,165.67 km) |
| Greenock to Alta | 874.78 mi (1,407.82 km) |
| Greenock to Amal | 680.50 mi (1,095.16 km) |
