| Thornton to Reidsville (North Carolina) | 3,776.39 mi (6,077.51 km) |
| Thornton to Reisterstown (Maryland) | 3,514.84 mi (5,656.59 km) |
| Thornton to Rendon (Texas) | 4,642.08 mi (7,470.70 km) |
| Thornton to Reno (Nevada) | 5,012.49 mi (8,066.83 km) |
| Thornton to Renton (Washington) | 4,619.58 mi (7,434.49 km) |
| Thornton to Republic (Missouri) | 4,262.97 mi (6,860.58 km) |
| Thornton to Reston (Virginia) | 3,559.47 mi (5,728.42 km) |
| Thornton to Revere (Massachusetts) | 3,151.80 mi (5,072.33 km) |
| Thornton to Rexburg (Idaho) | 4,531.57 mi (7,292.86 km) |
| Thornton to Reynoldsburg (Ohio) | 3,722.81 mi (5,991.29 km) |
| Thornton to Rialto (California) | 5,251.97 mi (8,452.22 km) |
| Thornton to Richardson (Texas) | 4,601.69 mi (7,405.70 km) |
| Thornton to Richfield (Minnesota) | 3,870.94 mi (6,229.67 km) |
| Thornton to Richfield (Wisconsin) | 3,769.96 mi (6,067.16 km) |
| Thornton to Richland (Washington) | 4,610.88 mi (7,420.50 km) |
