| Swindon to Odessa (Texas) | 4,941.94 mi (7,953.28 km) |
| Swindon to Ogden (Utah) | 4,782.34 mi (7,696.44 km) |
| Swindon to Oildale (California) | 5,331.76 mi (8,580.64 km) |
| Swindon to Ojus (Florida) | 4,346.59 mi (6,995.16 km) |
| Swindon to Okemos (Michigan) | 3,721.13 mi (5,988.58 km) |
| Swindon to Oklahoma City (Oklahoma) | 4,572.46 mi (7,358.66 km) |
| Swindon to Okmulgee (Oklahoma) | 4,507.50 mi (7,254.13 km) |
| Swindon to Olathe (Kansas) | 4,299.26 mi (6,919.00 km) |
| Swindon to Old Jamestown (Missouri) | 4,127.98 mi (6,643.34 km) |
| Swindon to Oldsmar (Florida) | 4,347.50 mi (6,996.62 km) |
| Swindon to Olean (New York) | 3,512.86 mi (5,653.40 km) |
| Swindon to Olive Branch (Mississippi) | 4,299.29 mi (6,919.04 km) |
| Swindon to Olivehurst (California) | 5,201.35 mi (8,370.76 km) |
| Swindon to Olney (Maryland) | 3,586.66 mi (5,772.17 km) |
| Swindon to Olympia (Washington) | 4,784.71 mi (7,700.25 km) |
