| Pittsburgh to Rosolini | 4,860.25 mi (7,821.82 km) |
| Pittsburgh to Rossano | 4,821.27 mi (7,759.08 km) |
| Pittsburgh to Rottofreno | 4,310.15 mi (6,936.51 km) |
| Pittsburgh to Rovato | 4,310.90 mi (6,937.72 km) |
| Pittsburgh to Roverbella | 4,353.52 mi (7,006.31 km) |
| Pittsburgh to Rovereto | 4,343.10 mi (6,989.55 km) |
| Pittsburgh to Rovigo | 4,402.85 mi (7,085.70 km) |
| Pittsburgh to Rozzano | 4,281.99 mi (6,891.19 km) |
| Pittsburgh to Rubano | 4,389.54 mi (7,064.29 km) |
| Pittsburgh to Rubiera | 4,376.46 mi (7,043.23 km) |
| Pittsburgh to Ruffano | 4,872.97 mi (7,842.29 km) |
| Pittsburgh to Russi | 4,438.71 mi (7,143.42 km) |
| Pittsburgh to Rutigliano | 4,776.88 mi (7,687.64 km) |
| Pittsburgh to Ruvo di Puglia | 4,751.85 mi (7,647.37 km) |
| Pittsburgh to Sabaudia | 4,597.20 mi (7,398.48 km) |
