| Sunninghill to Oswego (Illinois) | 3,966.84 mi (6,384.01 km) |
| Sunninghill to Oswego (New York) | 3,426.35 mi (5,514.18 km) |
| Sunninghill to Otsego (Minnesota) | 3,995.42 mi (6,430.01 km) |
| Sunninghill to Ottawa (Illinois) | 4,000.79 mi (6,438.66 km) |
| Sunninghill to Ottawa (Kansas) | 4,377.62 mi (7,045.10 km) |
| Sunninghill to Ottumwa (Iowa) | 4,152.65 mi (6,683.04 km) |
| Sunninghill to Overland (Missouri) | 4,186.38 mi (6,737.33 km) |
| Sunninghill to Overland Park (Kansas) | 4,341.71 mi (6,987.31 km) |
| Sunninghill to Overlea (Maryland) | 3,603.70 mi (5,799.60 km) |
| Sunninghill to Oviedo (Florida) | 4,304.42 mi (6,927.30 km) |
| Sunninghill to Owasso (Oklahoma) | 4,514.76 mi (7,265.80 km) |
| Sunninghill to Owatonna (Minnesota) | 4,036.55 mi (6,496.20 km) |
| Sunninghill to Owensboro (Kentucky) | 4,104.37 mi (6,605.34 km) |
| Sunninghill to Owings Mills (Maryland) | 3,612.80 mi (5,814.23 km) |
| Sunninghill to Owosso (Michigan) | 3,747.30 mi (6,030.70 km) |
