| Darlaston to Oswego (Illinois) | 3,877.54 mi (6,240.30 km) |
| Darlaston to Oswego (New York) | 3,341.68 mi (5,377.92 km) |
| Darlaston to Otsego (Minnesota) | 3,901.74 mi (6,279.24 km) |
| Darlaston to Ottawa (Illinois) | 3,911.49 mi (6,294.93 km) |
| Darlaston to Ottawa (Kansas) | 4,286.98 mi (6,899.23 km) |
| Darlaston to Ottumwa (Iowa) | 4,061.89 mi (6,536.98 km) |
| Darlaston to Overland (Missouri) | 4,098.11 mi (6,595.28 km) |
| Darlaston to Overland Park (Kansas) | 4,251.18 mi (6,841.62 km) |
| Darlaston to Overlea (Maryland) | 3,523.07 mi (5,669.83 km) |
| Darlaston to Oviedo (Florida) | 4,230.53 mi (6,808.37 km) |
| Darlaston to Owasso (Oklahoma) | 4,425.19 mi (7,121.65 km) |
| Darlaston to Owatonna (Minnesota) | 3,943.65 mi (6,346.69 km) |
| Darlaston to Owensboro (Kentucky) | 4,018.56 mi (6,467.24 km) |
| Darlaston to Owings Mills (Maryland) | 3,531.94 mi (5,684.10 km) |
| Darlaston to Owosso (Michigan) | 3,659.05 mi (5,888.67 km) |
