| Pittsburgh to Racale | 4,867.31 mi (7,833.18 km) |
| Pittsburgh to Racconigi | 4,241.58 mi (6,826.16 km) |
| Pittsburgh to Raffadali | 4,773.24 mi (7,681.79 km) |
| Pittsburgh to Ragusa | 4,846.05 mi (7,798.96 km) |
| Pittsburgh to Ramacca | 4,826.00 mi (7,766.69 km) |
| Pittsburgh to Randazzo | 4,816.71 mi (7,751.75 km) |
| Pittsburgh to Rapallo | 4,321.95 mi (6,955.50 km) |
| Pittsburgh to Ravanusa | 4,798.20 mi (7,721.96 km) |
| Pittsburgh to Ravenna | 4,444.26 mi (7,152.34 km) |
| Pittsburgh to Recanati | 4,538.78 mi (7,304.45 km) |
| Pittsburgh to Recco | 4,317.83 mi (6,948.87 km) |
| Pittsburgh to Reggello | 4,443.39 mi (7,150.94 km) |
| Pittsburgh to Reggio di Calabria | 4,838.05 mi (7,786.09 km) |
| Pittsburgh to Reggio Emilia | 4,368.37 mi (7,030.22 km) |
| Pittsburgh to Reggiolo | 4,368.21 mi (7,029.95 km) |
