| Didcot to Somersworth (New Hampshire) | 3,179.74 mi (5,117.30 km) |
| Didcot to Somerton (Arizona) | 5,364.65 mi (8,633.58 km) |
| Didcot to Somerville (Massachusetts) | 3,223.87 mi (5,188.32 km) |
| Didcot to Somerville (New Jersey) | 3,444.44 mi (5,543.29 km) |
| Didcot to Sonoma (California) | 5,287.47 mi (8,509.36 km) |
| Didcot to Soquel (California) | 5,346.94 mi (8,605.07 km) |
| Didcot to South Bend (Indiana) | 3,858.96 mi (6,210.39 km) |
| Didcot to South Bradenton (Florida) | 4,395.40 mi (7,073.71 km) |
| Didcot to South Burlington (Vermont) | 3,225.11 mi (5,190.31 km) |
| Didcot to South Charleston (West Virginia) | 3,832.67 mi (6,168.08 km) |
| Didcot to South Daytona (Florida) | 4,243.99 mi (6,830.05 km) |
| Didcot to South El Monte (California) | 5,393.96 mi (8,680.73 km) |
| Didcot to South Elgin (Illinois) | 3,922.83 mi (6,313.18 km) |
| Didcot to South Euclid (Ohio) | 3,680.55 mi (5,923.27 km) |
| Didcot to South Farmingdale (New York) | 3,390.50 mi (5,456.48 km) |
