| Pittsburgh to Ramsbottom | 3,576.89 mi (5,756.45 km) |
| Pittsburgh to Ramsgate | 3,780.44 mi (6,084.02 km) |
| Pittsburgh to Raunds | 3,677.11 mi (5,917.73 km) |
| Pittsburgh to Rawmarsh | 3,618.81 mi (5,823.90 km) |
| Pittsburgh to Rawtenstall | 3,576.77 mi (5,756.25 km) |
| Pittsburgh to Rayleigh | 3,741.56 mi (6,021.46 km) |
| Pittsburgh to Raynes Park | 3,712.89 mi (5,975.32 km) |
| Pittsburgh to Reading | 3,681.90 mi (5,925.44 km) |
| Pittsburgh to Redcar | 3,603.02 mi (5,798.50 km) |
| Pittsburgh to Reddish | 3,587.65 mi (5,773.76 km) |
| Pittsburgh to Redditch | 3,622.96 mi (5,830.59 km) |
| Pittsburgh to Redhill | 3,719.48 mi (5,985.93 km) |
| Pittsburgh to Redruth | 3,537.49 mi (5,693.04 km) |
| Pittsburgh to Reigate | 3,718.20 mi (5,983.87 km) |
| Pittsburgh to Renfrew | 3,452.29 mi (5,555.93 km) |
