| Issum to Oswego (Illinois) | 4,226.61 mi (6,802.08 km) |
| Issum to Oswego (New York) | 3,699.83 mi (5,954.30 km) |
| Issum to Otsego (Minnesota) | 4,236.85 mi (6,818.56 km) |
| Issum to Ottawa (Illinois) | 4,260.51 mi (6,856.63 km) |
| Issum to Ottawa (Kansas) | 4,632.20 mi (7,454.81 km) |
| Issum to Ottumwa (Iowa) | 4,406.94 mi (7,092.28 km) |
| Issum to Overland (Missouri) | 4,449.40 mi (7,160.62 km) |
| Issum to Overland Park (Kansas) | 4,596.73 mi (7,397.72 km) |
| Issum to Overlea (Maryland) | 3,885.74 mi (6,253.49 km) |
| Issum to Oviedo (Florida) | 4,596.74 mi (7,397.73 km) |
| Issum to Owasso (Oklahoma) | 4,773.18 mi (7,681.69 km) |
| Issum to Owatonna (Minnesota) | 4,281.81 mi (6,890.90 km) |
| Issum to Owensboro (Kentucky) | 4,374.59 mi (7,040.23 km) |
| Issum to Owings Mills (Maryland) | 3,894.40 mi (6,267.43 km) |
| Issum to Owosso (Michigan) | 4,010.68 mi (6,454.56 km) |
