| Didcot to Grand Prairie (Texas) | 4,715.31 mi (7,588.56 km) |
| Didcot to Grand Rapids (Michigan) | 3,776.91 mi (6,078.34 km) |
| Didcot to Grand Rapids (Minnesota) | 3,872.25 mi (6,231.79 km) |
| Didcot to Grand Terrace (California) | 5,371.04 mi (8,643.86 km) |
| Didcot to Grandview (Missouri) | 4,307.01 mi (6,931.46 km) |
| Didcot to Grandview (Washington) | 4,760.31 mi (7,660.98 km) |
| Didcot to Grandville (Michigan) | 3,783.52 mi (6,088.99 km) |
| Didcot to Granger (Indiana) | 3,850.97 mi (6,197.54 km) |
| Didcot to Granite Bay (California) | 5,222.00 mi (8,404.00 km) |
| Didcot to Granite City (Illinois) | 4,146.62 mi (6,673.34 km) |
| Didcot to Grants Pass (Oregon) | 5,073.04 mi (8,164.26 km) |
| Didcot to Grantsville (Utah) | 4,847.42 mi (7,801.18 km) |
| Didcot to Grapevine (Texas) | 4,704.63 mi (7,571.37 km) |
| Didcot to Grass Valley (California) | 5,191.82 mi (8,355.43 km) |
| Didcot to Grayslake (Illinois) | 3,896.00 mi (6,270.01 km) |
