| Pittsburgh to Rosemont (California) | 2,189.92 mi (3,524.34 km) |
| Pittsburgh to Rosemount (Minnesota) | 728.17 mi (1,171.88 km) |
| Pittsburgh to Rosenberg (Texas) | 1,167.63 mi (1,879.12 km) |
| Pittsburgh to Roseville (California) | 2,183.69 mi (3,514.31 km) |
| Pittsburgh to Roseville (Michigan) | 209.50 mi (337.16 km) |
| Pittsburgh to Roseville (Minnesota) | 738.63 mi (1,188.71 km) |
| Pittsburgh to Rossmoor (California) | 2,131.85 mi (3,430.88 km) |
| Pittsburgh to Rossville (Maryland) | 200.00 mi (321.86 km) |
| Pittsburgh to Roswell (Georgia) | 503.30 mi (809.99 km) |
| Pittsburgh to Roswell (New Mexico) | 1,435.96 mi (2,310.96 km) |
| Pittsburgh to Round Lake (Illinois) | 441.24 mi (710.10 km) |
| Pittsburgh to Round Lake Beach (Illinois) | 440.64 mi (709.14 km) |
| Pittsburgh to Round Rock (Texas) | 1,204.37 mi (1,938.24 km) |
| Pittsburgh to Rowland Heights (California) | 2,116.86 mi (3,406.75 km) |
| Pittsburgh to Rowlett (Texas) | 1,052.75 mi (1,694.24 km) |
