| Rio Rico to Reading (Pennsylvania) | 2,039.75 mi (3,282.66 km) |
| Rio Rico to Red Bank (New Jersey) | 2,137.27 mi (3,439.60 km) |
| Rio Rico to Red Bank (Tennessee) | 1,500.22 mi (2,414.37 km) |
| Rio Rico to Red Bluff (California) | 868.57 mi (1,397.82 km) |
| Rio Rico to Red Hill (South Carolina) | 1,859.82 mi (2,993.09 km) |
| Rio Rico to Red Oak (Texas) | 834.46 mi (1,342.94 km) |
| Rio Rico to Red Wing (Minnesota) | 1,342.67 mi (2,160.81 km) |
| Rio Rico to Redan (Georgia) | 1,564.34 mi (2,517.56 km) |
| Rio Rico to Redding (California) | 891.34 mi (1,434.47 km) |
| Rio Rico to Redland (Maryland) | 1,967.06 mi (3,165.68 km) |
| Rio Rico to Redlands (California) | 400.13 mi (643.95 km) |
| Rio Rico to Redmond (Oregon) | 1,040.68 mi (1,674.81 km) |
| Rio Rico to Redmond (Washington) | 1,262.29 mi (2,031.47 km) |
| Rio Rico to Redondo Beach (California) | 459.48 mi (739.45 km) |
| Rio Rico to Redwood City (California) | 761.79 mi (1,225.98 km) |
