| Pittsburgh to Ruislip | 3,700.46 mi (5,955.31 km) |
| Pittsburgh to Runcorn | 3,567.50 mi (5,741.34 km) |
| Pittsburgh to Rushall | 3,614.69 mi (5,817.28 km) |
| Pittsburgh to Rushden | 3,675.99 mi (5,915.93 km) |
| Pittsburgh to Rustington | 3,717.15 mi (5,982.18 km) |
| Pittsburgh to Rutherglen | 3,459.76 mi (5,567.95 km) |
| Pittsburgh to Ryde | 3,692.65 mi (5,942.75 km) |
| Pittsburgh to Rye | 3,763.30 mi (6,056.45 km) |
| Pittsburgh to Ryhope | 3,586.11 mi (5,771.29 km) |
| Pittsburgh to Saffron Walden | 3,715.99 mi (5,980.32 km) |
| Pittsburgh to Saint Albans | 3,699.80 mi (5,954.25 km) |
| Pittsburgh to Saint Andrews | 3,502.45 mi (5,636.65 km) |
| Pittsburgh to Saint Austell | 3,553.05 mi (5,718.08 km) |
| Pittsburgh to Saint Budeaux | 3,576.60 mi (5,755.99 km) |
| Pittsburgh to Saint Helens | 3,564.47 mi (5,736.45 km) |
