| Zion to Oskaloosa (Iowa) | 259.23 mi (417.19 km) |
| Zion to Oswego (Illinois) | 59.19 mi (95.25 km) |
| Zion to Oswego (New York) | 577.59 mi (929.54 km) |
| Zion to Otsego (Minnesota) | 346.52 mi (557.67 km) |
| Zion to Ottawa (Illinois) | 91.32 mi (146.97 km) |
| Zion to Ottawa (Kansas) | 471.61 mi (758.98 km) |
| Zion to Ottumwa (Iowa) | 255.61 mi (411.37 km) |
| Zion to Overland (Missouri) | 291.65 mi (469.37 km) |
| Zion to Overland Park (Kansas) | 434.83 mi (699.79 km) |
| Zion to Overlea (Maryland) | 628.65 mi (1,011.71 km) |
| Zion to Oviedo (Florida) | 1,023.70 mi (1,647.49 km) |
| Zion to Owasso (Oklahoma) | 602.41 mi (969.48 km) |
| Zion to Owatonna (Minnesota) | 293.09 mi (471.68 km) |
| Zion to Owensboro (Kentucky) | 327.23 mi (526.63 km) |
| Zion to Owings Mills (Maryland) | 613.94 mi (988.04 km) |
