| Penig to Oswego (Illinois) | 4,475.52 mi (7,202.66 km) |
| Penig to Oswego (New York) | 3,958.71 mi (6,370.93 km) |
| Penig to Otsego (Minnesota) | 4,472.49 mi (7,197.77 km) |
| Penig to Ottawa (Illinois) | 4,509.34 mi (7,257.08 km) |
| Penig to Ottawa (Kansas) | 4,876.84 mi (7,848.51 km) |
| Penig to Ottumwa (Iowa) | 4,651.68 mi (7,486.15 km) |
| Penig to Overland (Missouri) | 4,700.33 mi (7,564.45 km) |
| Penig to Overland Park (Kansas) | 4,841.73 mi (7,792.01 km) |
| Penig to Overlea (Maryland) | 4,149.96 mi (6,678.72 km) |
| Penig to Oviedo (Florida) | 4,866.87 mi (7,832.48 km) |
| Penig to Owasso (Oklahoma) | 5,020.42 mi (8,079.59 km) |
| Penig to Owatonna (Minnesota) | 4,520.16 mi (7,274.50 km) |
| Penig to Owensboro (Kentucky) | 4,630.63 mi (7,452.28 km) |
| Penig to Owings Mills (Maryland) | 4,158.34 mi (6,692.21 km) |
| Penig to Owosso (Michigan) | 4,262.38 mi (6,859.64 km) |
