| Illzach to Oswego (Illinois) | 4,402.47 mi (7,085.10 km) |
| Illzach to Oswego (New York) | 3,857.67 mi (6,208.32 km) |
| Illzach to Otsego (Minnesota) | 4,431.86 mi (7,132.39 km) |
| Illzach to Ottawa (Illinois) | 4,436.43 mi (7,139.74 km) |
| Illzach to Ottawa (Kansas) | 4,813.94 mi (7,747.29 km) |
| Illzach to Ottumwa (Iowa) | 4,589.03 mi (7,385.33 km) |
| Illzach to Overland (Missouri) | 4,621.23 mi (7,437.14 km) |
| Illzach to Overland Park (Kansas) | 4,777.99 mi (7,689.44 km) |
| Illzach to Overlea (Maryland) | 4,029.24 mi (6,484.43 km) |
| Illzach to Oviedo (Florida) | 4,716.94 mi (7,591.18 km) |
| Illzach to Owasso (Oklahoma) | 4,950.52 mi (7,967.09 km) |
| Illzach to Owatonna (Minnesota) | 4,473.21 mi (7,198.93 km) |
| Illzach to Owensboro (Kentucky) | 4,536.79 mi (7,301.26 km) |
| Illzach to Owings Mills (Maryland) | 4,038.68 mi (6,499.63 km) |
| Illzach to Owosso (Michigan) | 4,182.20 mi (6,730.61 km) |
