| Gainsborough to Oswego (Illinois) | 3,899.57 mi (6,275.76 km) |
| Gainsborough to Oswego (New York) | 3,370.92 mi (5,424.97 km) |
| Gainsborough to Otsego (Minnesota) | 3,915.44 mi (6,301.29 km) |
| Gainsborough to Ottawa (Illinois) | 3,933.49 mi (6,330.34 km) |
| Gainsborough to Ottawa (Kansas) | 4,306.54 mi (6,930.71 km) |
| Gainsborough to Ottumwa (Iowa) | 4,081.31 mi (6,568.24 km) |
| Gainsborough to Overland (Missouri) | 4,121.73 mi (6,633.28 km) |
| Gainsborough to Overland Park (Kansas) | 4,270.95 mi (6,873.42 km) |
| Gainsborough to Overlea (Maryland) | 3,557.36 mi (5,725.01 km) |
| Gainsborough to Oviedo (Florida) | 4,271.79 mi (6,874.78 km) |
| Gainsborough to Owasso (Oklahoma) | 4,446.55 mi (7,156.03 km) |
| Gainsborough to Owatonna (Minnesota) | 3,959.00 mi (6,371.40 km) |
| Gainsborough to Owensboro (Kentucky) | 4,045.90 mi (6,511.25 km) |
| Gainsborough to Owings Mills (Maryland) | 3,565.95 mi (5,738.83 km) |
| Gainsborough to Owosso (Michigan) | 3,682.87 mi (5,927.01 km) |
