| Didcot to Red Bank (New Jersey) | 3,431.87 mi (5,523.06 km) |
| Didcot to Red Bank (Tennessee) | 4,129.97 mi (6,646.54 km) |
| Didcot to Red Bluff (California) | 5,172.27 mi (8,323.97 km) |
| Didcot to Red Hill (South Carolina) | 3,936.13 mi (6,334.58 km) |
| Didcot to Red Oak (Texas) | 4,714.79 mi (7,587.73 km) |
| Didcot to Red Wing (Minnesota) | 3,961.96 mi (6,376.16 km) |
| Didcot to Redan (Georgia) | 4,150.45 mi (6,679.50 km) |
| Didcot to Redding (California) | 5,153.02 mi (8,292.99 km) |
| Didcot to Redland (Maryland) | 3,611.35 mi (5,811.90 km) |
| Didcot to Redlands (California) | 5,365.27 mi (8,634.56 km) |
| Didcot to Redmond (Oregon) | 4,907.92 mi (7,898.54 km) |
| Didcot to Redmond (Washington) | 4,739.81 mi (7,627.99 km) |
| Didcot to Redondo Beach (California) | 5,415.51 mi (8,715.42 km) |
| Didcot to Redwood City (California) | 5,326.07 mi (8,571.49 km) |
| Didcot to Reedley (California) | 5,293.08 mi (8,518.38 km) |
