| Pittsburgh to Rochefort | 3,831.97 mi (6,166.96 km) |
| Pittsburgh to Rodez | 4,035.03 mi (6,493.76 km) |
| Pittsburgh to Rognac | 4,179.69 mi (6,726.56 km) |
| Pittsburgh to Roissy-en-Brie | 3,901.97 mi (6,279.61 km) |
| Pittsburgh to Romainville | 3,890.30 mi (6,260.83 km) |
| Pittsburgh to Romans-sur-Isere | 4,119.77 mi (6,630.13 km) |
| Pittsburgh to Rombas | 4,028.33 mi (6,482.98 km) |
| Pittsburgh to Romilly-sur-Seine | 3,954.42 mi (6,364.02 km) |
| Pittsburgh to Ronchin | 3,867.30 mi (6,223.81 km) |
| Pittsburgh to Roncq | 3,864.37 mi (6,219.11 km) |
| Pittsburgh to Roquebrune-sur-Argens | 4,242.43 mi (6,827.53 km) |
| Pittsburgh to Roquevaire | 4,200.67 mi (6,760.33 km) |
| Pittsburgh to Rosny-sous-Bois | 3,892.79 mi (6,264.84 km) |
| Pittsburgh to Roubaix | 3,868.62 mi (6,225.95 km) |
| Pittsburgh to Rouen | 3,818.96 mi (6,146.02 km) |
