| Keystone to Yuncos | 4,434.96 mi (7,137.37 km) |
| Keystone to Zafra | 4,335.10 mi (6,976.67 km) |
| Keystone to Zamora | 4,313.83 mi (6,942.44 km) |
| Keystone to Zaragoza | 4,553.48 mi (7,328.11 km) |
| Keystone to Zarautz | 4,458.97 mi (7,176.01 km) |
| Keystone to Zuera | 4,553.73 mi (7,328.52 km) |
| Keystone to Zumaia | 4,454.34 mi (7,168.56 km) |
| Keystone to Zumarraga | 4,455.41 mi (7,170.28 km) |
| Keystone to Longyearbyen | 4,433.43 mi (7,134.92 km) |
| Keystone to Ahus | 4,881.71 mi (7,856.36 km) |
| Keystone to Akersberga | 4,922.63 mi (7,922.20 km) |
| Keystone to Alingsas | 4,770.48 mi (7,677.34 km) |
| Keystone to Almhult | 4,860.16 mi (7,821.68 km) |
| Keystone to Alta | 4,925.39 mi (7,926.64 km) |
| Keystone to Amal | 4,750.04 mi (7,644.45 km) |
