| Pittsburgh to Rende | 4,811.44 mi (7,743.27 km) |
| Pittsburgh to Resana | 4,389.12 mi (7,063.60 km) |
| Pittsburgh to Rescaldina | 4,265.48 mi (6,864.63 km) |
| Pittsburgh to Rezzato | 4,325.99 mi (6,962.00 km) |
| Pittsburgh to Rho | 4,271.87 mi (6,874.91 km) |
| Pittsburgh to Ribera | 4,757.44 mi (7,656.35 km) |
| Pittsburgh to Riccione Marina | 4,478.46 mi (7,207.38 km) |
| Pittsburgh to Riesi | 4,802.64 mi (7,729.10 km) |
| Pittsburgh to Rieti | 4,547.55 mi (7,318.57 km) |
| Pittsburgh to Rignano Flaminio | 4,539.43 mi (7,305.51 km) |
| Pittsburgh to Rignano sull'Arno | 4,438.41 mi (7,142.93 km) |
| Pittsburgh to Rimini | 4,472.82 mi (7,198.32 km) |
| Pittsburgh to Rionero in Vulture | 4,725.29 mi (7,604.62 km) |
| Pittsburgh to Riposto | 4,833.84 mi (7,779.32 km) |
| Pittsburgh to Riva del Garda | 4,334.87 mi (6,976.30 km) |
