| Oro Valley to Rodgau | 5,659.36 mi (9,107.86 km) |
| Oro Valley to Roding | 5,816.01 mi (9,359.97 km) |
| Oro Valley to Rodinghausen | 5,542.86 mi (8,920.37 km) |
| Oro Valley to Roetgen | 5,541.61 mi (8,918.37 km) |
| Oro Valley to Rommerskirchen | 5,540.65 mi (8,916.82 km) |
| Oro Valley to Ronnenberg | 5,576.63 mi (8,974.72 km) |
| Oro Valley to Rosbach vor der Hohe | 5,640.28 mi (9,077.16 km) |
| Oro Valley to Rosdorf | 5,622.71 mi (9,048.87 km) |
| Oro Valley to Rosenheim | 5,869.39 mi (9,445.86 km) |
| Oro Valley to Rosrath | 5,562.93 mi (8,952.68 km) |
| Oro Valley to Rossdorf | 5,662.52 mi (9,112.95 km) |
| Oro Valley to Rosstal | 5,753.75 mi (9,259.76 km) |
| Oro Valley to Rostock | 5,567.38 mi (8,959.83 km) |
| Oro Valley to Rotenburg an der Fulda | 5,640.92 mi (9,078.19 km) |
| Oro Valley to Roth | 5,767.86 mi (9,282.48 km) |
