| Cannock to Oswego (Illinois) | 3,874.59 mi (6,235.55 km) |
| Cannock to Oswego (New York) | 3,339.49 mi (5,374.40 km) |
| Cannock to Otsego (Minnesota) | 3,897.95 mi (6,273.15 km) |
| Cannock to Ottawa (Illinois) | 3,908.53 mi (6,290.18 km) |
| Cannock to Ottawa (Kansas) | 4,283.78 mi (6,894.09 km) |
| Cannock to Ottumwa (Iowa) | 4,058.67 mi (6,531.80 km) |
| Cannock to Overland (Missouri) | 4,095.33 mi (6,590.80 km) |
| Cannock to Overland Park (Kansas) | 4,248.01 mi (6,836.50 km) |
| Cannock to Overlea (Maryland) | 3,521.46 mi (5,667.25 km) |
| Cannock to Oviedo (Florida) | 4,229.78 mi (6,807.18 km) |
| Cannock to Owasso (Oklahoma) | 4,422.18 mi (7,116.81 km) |
| Cannock to Owatonna (Minnesota) | 3,940.02 mi (6,340.86 km) |
| Cannock to Owensboro (Kentucky) | 4,016.18 mi (6,463.41 km) |
| Cannock to Owings Mills (Maryland) | 3,530.30 mi (5,681.47 km) |
| Cannock to Owosso (Michigan) | 3,656.28 mi (5,884.22 km) |
