| Port Huron to Yuncos | 3,913.46 mi (6,298.11 km) |
| Port Huron to Zafra | 3,855.38 mi (6,204.64 km) |
| Port Huron to Zamora | 3,778.81 mi (6,081.40 km) |
| Port Huron to Zaragoza | 3,991.31 mi (6,423.39 km) |
| Port Huron to Zarautz | 3,877.72 mi (6,240.59 km) |
| Port Huron to Zuera | 3,987.67 mi (6,417.54 km) |
| Port Huron to Zumaia | 3,873.31 mi (6,233.48 km) |
| Port Huron to Zumarraga | 3,878.02 mi (6,241.08 km) |
| Port Huron to Longyearbyen | 3,435.83 mi (5,529.43 km) |
| Port Huron to Ahus | 4,068.97 mi (6,548.37 km) |
| Port Huron to Akersberga | 4,062.29 mi (6,537.62 km) |
| Port Huron to Alingsas | 3,941.01 mi (6,342.45 km) |
| Port Huron to Almhult | 4,041.05 mi (6,503.45 km) |
| Port Huron to Alta | 4,067.58 mi (6,546.14 km) |
| Port Huron to Amal | 3,908.23 mi (6,289.69 km) |
