| Flagstaff to Reidsville (North Carolina) | 1,784.74 mi (2,872.26 km) |
| Flagstaff to Reisterstown (Maryland) | 1,922.91 mi (3,094.62 km) |
| Flagstaff to Rendon (Texas) | 843.72 mi (1,357.83 km) |
| Flagstaff to Reno (Nevada) | 542.80 mi (873.56 km) |
| Flagstaff to Renton (Washington) | 1,008.89 mi (1,623.65 km) |
| Flagstaff to Republic (Missouri) | 1,021.17 mi (1,643.41 km) |
| Flagstaff to Reston (Virginia) | 1,896.03 mi (3,051.37 km) |
| Flagstaff to Revere (Massachusetts) | 2,221.04 mi (3,574.43 km) |
| Flagstaff to Rexburg (Idaho) | 596.72 mi (960.33 km) |
| Flagstaff to Reynoldsburg (Ohio) | 1,605.18 mi (2,583.29 km) |
| Flagstaff to Rialto (California) | 336.11 mi (540.92 km) |
| Flagstaff to Richardson (Texas) | 866.02 mi (1,393.72 km) |
| Flagstaff to Richfield (Minnesota) | 1,174.25 mi (1,889.77 km) |
| Flagstaff to Richfield (Wisconsin) | 1,363.52 mi (2,194.38 km) |
| Flagstaff to Richland (Washington) | 864.52 mi (1,391.30 km) |
