| Petersfield to Oswego (Illinois) | 3,968.82 mi (6,387.20 km) |
| Petersfield to Oswego (New York) | 3,425.59 mi (5,512.96 km) |
| Petersfield to Otsego (Minnesota) | 4,000.63 mi (6,438.40 km) |
| Petersfield to Ottawa (Illinois) | 4,002.78 mi (6,441.84 km) |
| Petersfield to Ottawa (Kansas) | 4,380.47 mi (7,049.69 km) |
| Petersfield to Ottumwa (Iowa) | 4,155.61 mi (6,687.81 km) |
| Petersfield to Overland (Missouri) | 4,187.67 mi (6,739.41 km) |
| Petersfield to Overland Park (Kansas) | 4,344.50 mi (6,991.79 km) |
| Petersfield to Overlea (Maryland) | 3,600.78 mi (5,794.89 km) |
| Petersfield to Oviedo (Florida) | 4,298.27 mi (6,917.40 km) |
| Petersfield to Owasso (Oklahoma) | 4,516.87 mi (7,269.20 km) |
| Petersfield to Owatonna (Minnesota) | 4,041.12 mi (6,503.55 km) |
| Petersfield to Owensboro (Kentucky) | 4,104.17 mi (6,605.03 km) |
| Petersfield to Owings Mills (Maryland) | 3,609.99 mi (5,809.71 km) |
| Petersfield to Owosso (Michigan) | 3,748.63 mi (6,032.84 km) |
