| Oro Valley to Romeoville (Illinois) | 1,407.28 mi (2,264.80 km) |
| Oro Valley to Romulus (Michigan) | 1,651.75 mi (2,658.24 km) |
| Oro Valley to Ronkonkoma (New York) | 2,159.45 mi (3,475.29 km) |
| Oro Valley to Roosevelt (New York) | 2,134.95 mi (3,435.88 km) |
| Oro Valley to Rosamond (California) | 449.20 mi (722.91 km) |
| Oro Valley to Rosaryville (Maryland) | 1,956.12 mi (3,148.07 km) |
| Oro Valley to Roscoe (Illinois) | 1,383.51 mi (2,226.54 km) |
| Oro Valley to Rose Hill (Virginia) | 1,941.01 mi (3,123.76 km) |
| Oro Valley to Roseburg (Oregon) | 1,004.38 mi (1,616.40 km) |
| Oro Valley to Rosedale (California) | 514.30 mi (827.68 km) |
| Oro Valley to Rosedale (Maryland) | 1,975.03 mi (3,178.51 km) |
| Oro Valley to Roselle (Illinois) | 1,416.15 mi (2,279.07 km) |
| Oro Valley to Roselle (New Jersey) | 2,099.47 mi (3,378.77 km) |
| Oro Valley to Roselle Park (New Jersey) | 2,099.18 mi (3,378.30 km) |
| Oro Valley to Rosemead (California) | 425.99 mi (685.56 km) |
