| Duluth to Yuncos | 4,213.87 mi (6,781.57 km) |
| Duluth to Zafra | 4,178.41 mi (6,724.50 km) |
| Duluth to Zamora | 4,075.67 mi (6,559.16 km) |
| Duluth to Zaragoza | 4,267.74 mi (6,868.27 km) |
| Duluth to Zarautz | 4,146.40 mi (6,672.99 km) |
| Duluth to Zuera | 4,262.03 mi (6,859.07 km) |
| Duluth to Zumaia | 4,142.23 mi (6,666.27 km) |
| Duluth to Zumarraga | 4,148.90 mi (6,677.01 km) |
| Duluth to Longyearbyen | 3,308.47 mi (5,324.47 km) |
| Duluth to Ahus | 4,168.41 mi (6,708.40 km) |
| Duluth to Akersberga | 4,116.75 mi (6,625.27 km) |
| Duluth to Alingsas | 4,028.58 mi (6,483.37 km) |
| Duluth to Almhult | 4,135.51 mi (6,655.46 km) |
| Duluth to Alta | 4,124.46 mi (6,637.68 km) |
| Duluth to Amal | 3,984.96 mi (6,413.18 km) |
