| Didcot to Reidsville (North Carolina) | 3,842.69 mi (6,184.20 km) |
| Didcot to Reisterstown (Maryland) | 3,583.45 mi (5,767.00 km) |
| Didcot to Rendon (Texas) | 4,729.18 mi (7,610.87 km) |
| Didcot to Reno (Nevada) | 5,137.07 mi (8,267.32 km) |
| Didcot to Renton (Washington) | 4,753.02 mi (7,649.25 km) |
| Didcot to Republic (Missouri) | 4,351.83 mi (7,003.59 km) |
| Didcot to Reston (Virginia) | 3,627.76 mi (5,838.31 km) |
| Didcot to Revere (Massachusetts) | 3,218.73 mi (5,180.04 km) |
| Didcot to Rexburg (Idaho) | 4,652.16 mi (7,486.92 km) |
| Didcot to Reynoldsburg (Ohio) | 3,801.54 mi (6,117.99 km) |
| Didcot to Rialto (California) | 5,368.63 mi (8,639.98 km) |
| Didcot to Richardson (Texas) | 4,688.60 mi (7,545.58 km) |
| Didcot to Richfield (Minnesota) | 3,972.76 mi (6,393.54 km) |
| Didcot to Richfield (Wisconsin) | 3,862.65 mi (6,216.34 km) |
| Didcot to Richland (Washington) | 4,740.94 mi (7,629.81 km) |
