| Flagstaff to Rockville (Maryland) | 1,905.80 mi (3,067.09 km) |
| Flagstaff to Rockville Centre (New York) | 2,087.67 mi (3,359.78 km) |
| Flagstaff to Rockwall (Texas) | 882.23 mi (1,419.81 km) |
| Flagstaff to Rocky Mount (North Carolina) | 1,891.46 mi (3,044.01 km) |
| Flagstaff to Rocky Point (New York) | 2,123.72 mi (3,417.80 km) |
| Flagstaff to Rocky River (Ohio) | 1,661.69 mi (2,674.23 km) |
| Flagstaff to Roessleville (New York) | 2,079.09 mi (3,345.97 km) |
| Flagstaff to Rogers (Arkansas) | 981.15 mi (1,579.01 km) |
| Flagstaff to Rogers (Minnesota) | 1,172.08 mi (1,886.28 km) |
| Flagstaff to Rohnert Park (California) | 650.32 mi (1,046.58 km) |
| Flagstaff to Rolla (Missouri) | 1,116.17 mi (1,796.30 km) |
| Flagstaff to Rolling Meadows (Illinois) | 1,354.08 mi (2,179.17 km) |
| Flagstaff to Roma (Texas) | 961.62 mi (1,547.58 km) |
| Flagstaff to Rome (Georgia) | 1,497.97 mi (2,410.75 km) |
| Flagstaff to Rome (New York) | 1,995.24 mi (3,211.03 km) |
