| Flagstaff to Romeoville (Illinois) | 1,343.86 mi (2,162.73 km) |
| Flagstaff to Romulus (Michigan) | 1,590.56 mi (2,559.77 km) |
| Flagstaff to Ronkonkoma (New York) | 2,114.21 mi (3,402.50 km) |
| Flagstaff to Roosevelt (New York) | 2,090.50 mi (3,364.33 km) |
| Flagstaff to Rosamond (California) | 373.80 mi (601.57 km) |
| Flagstaff to Rosaryville (Maryland) | 1,924.65 mi (3,097.43 km) |
| Flagstaff to Roscoe (Illinois) | 1,311.04 mi (2,109.92 km) |
| Flagstaff to Rose Hill (Virginia) | 1,909.41 mi (3,072.90 km) |
| Flagstaff to Roseburg (Oregon) | 836.88 mi (1,346.83 km) |
| Flagstaff to Rosedale (California) | 427.98 mi (688.77 km) |
| Flagstaff to Rosedale (Maryland) | 1,939.59 mi (3,121.48 km) |
| Flagstaff to Roselle (Illinois) | 1,349.60 mi (2,171.98 km) |
| Flagstaff to Roselle (New Jersey) | 2,055.13 mi (3,307.42 km) |
| Flagstaff to Roselle Park (New Jersey) | 2,054.76 mi (3,306.81 km) |
| Flagstaff to Rosemead (California) | 375.40 mi (604.15 km) |
