| Swindon to Oswego (Illinois) | 3,918.83 mi (6,306.75 km) |
| Swindon to Oswego (New York) | 3,377.40 mi (5,435.39 km) |
| Swindon to Otsego (Minnesota) | 3,949.05 mi (6,355.38 km) |
| Swindon to Ottawa (Illinois) | 3,952.79 mi (6,361.39 km) |
| Swindon to Ottawa (Kansas) | 4,330.00 mi (6,968.46 km) |
| Swindon to Ottumwa (Iowa) | 4,105.08 mi (6,606.49 km) |
| Swindon to Overland (Missouri) | 4,138.10 mi (6,659.63 km) |
| Swindon to Overland Park (Kansas) | 4,294.06 mi (6,910.62 km) |
| Swindon to Overlea (Maryland) | 3,554.29 mi (5,720.08 km) |
| Swindon to Oviedo (Florida) | 4,254.81 mi (6,847.46 km) |
| Swindon to Owasso (Oklahoma) | 4,466.81 mi (7,188.63 km) |
| Swindon to Owatonna (Minnesota) | 3,989.81 mi (6,420.97 km) |
| Swindon to Owensboro (Kentucky) | 4,055.58 mi (6,526.82 km) |
| Swindon to Owings Mills (Maryland) | 3,563.40 mi (5,734.75 km) |
| Swindon to Owosso (Michigan) | 3,699.03 mi (5,953.02 km) |
