| Duffel to Reidsville (North Carolina) | 4,088.88 mi (6,580.42 km) |
| Duffel to Reisterstown (Maryland) | 3,828.77 mi (6,161.81 km) |
| Duffel to Rendon (Texas) | 4,965.29 mi (7,990.86 km) |
| Duffel to Reno (Nevada) | 5,331.24 mi (8,579.81 km) |
| Duffel to Renton (Washington) | 4,929.38 mi (7,933.07 km) |
| Duffel to Republic (Missouri) | 4,586.70 mi (7,381.58 km) |
| Duffel to Reston (Virginia) | 3,873.21 mi (6,233.33 km) |
| Duffel to Revere (Massachusetts) | 3,464.56 mi (5,575.67 km) |
| Duffel to Rexburg (Idaho) | 4,853.14 mi (7,810.37 km) |
| Duffel to Reynoldsburg (Ohio) | 4,042.42 mi (6,505.65 km) |
| Duffel to Rialto (California) | 5,575.29 mi (8,972.56 km) |
| Duffel to Richardson (Texas) | 4,924.83 mi (7,925.75 km) |
| Duffel to Richfield (Minnesota) | 4,196.96 mi (6,754.36 km) |
| Duffel to Richfield (Wisconsin) | 4,094.67 mi (6,589.74 km) |
| Duffel to Richland (Washington) | 4,924.79 mi (7,925.68 km) |
