| Rio Rico to Romeoville (Illinois) | 1,443.98 mi (2,323.86 km) |
| Rio Rico to Romulus (Michigan) | 1,687.13 mi (2,715.18 km) |
| Rio Rico to Ronkonkoma (New York) | 2,189.21 mi (3,523.20 km) |
| Rio Rico to Roosevelt (New York) | 2,164.53 mi (3,483.48 km) |
| Rio Rico to Rosamond (California) | 478.22 mi (769.62 km) |
| Rio Rico to Rosaryville (Maryland) | 1,982.17 mi (3,190.00 km) |
| Rio Rico to Roscoe (Illinois) | 1,422.75 mi (2,289.69 km) |
| Rio Rico to Rose Hill (Virginia) | 1,967.13 mi (3,165.79 km) |
| Rio Rico to Roseburg (Oregon) | 1,054.74 mi (1,697.45 km) |
| Rio Rico to Rosedale (California) | 544.50 mi (876.29 km) |
| Rio Rico to Rosedale (Maryland) | 2,002.23 mi (3,222.28 km) |
| Rio Rico to Roselle (Illinois) | 1,453.67 mi (2,339.46 km) |
| Rio Rico to Roselle (New Jersey) | 2,129.07 mi (3,426.41 km) |
| Rio Rico to Roselle Park (New Jersey) | 2,128.81 mi (3,425.98 km) |
| Rio Rico to Rosemead (California) | 448.65 mi (722.03 km) |
