| Ontario to Yuncos | 5,801.21 mi (9,336.14 km) |
| Ontario to Zafra | 5,769.53 mi (9,285.16 km) |
| Ontario to Zamora | 5,662.53 mi (9,112.96 km) |
| Ontario to Zaragoza | 5,847.43 mi (9,410.53 km) |
| Ontario to Zarautz | 5,723.66 mi (9,211.34 km) |
| Ontario to Zuera | 5,840.94 mi (9,400.09 km) |
| Ontario to Zumaia | 5,719.60 mi (9,204.81 km) |
| Ontario to Zumarraga | 5,727.03 mi (9,216.76 km) |
| Ontario to Longyearbyen | 4,449.80 mi (7,161.27 km) |
| Ontario to Ahus | 5,608.14 mi (9,025.43 km) |
| Ontario to Akersberga | 5,501.85 mi (8,854.37 km) |
| Ontario to Alingsas | 5,458.77 mi (8,785.04 km) |
| Ontario to Almhult | 5,570.39 mi (8,964.68 km) |
| Ontario to Alta | 5,512.49 mi (8,871.50 km) |
| Ontario to Amal | 5,403.55 mi (8,696.18 km) |
