| Pittsburgh to Reidsville (North Carolina) | 283.90 mi (456.90 km) |
| Pittsburgh to Reisterstown (Maryland) | 180.78 mi (290.94 km) |
| Pittsburgh to Rendon (Texas) | 1,098.78 mi (1,768.32 km) |
| Pittsburgh to Reno (Nevada) | 2,093.31 mi (3,368.86 km) |
| Pittsburgh to Renton (Washington) | 2,127.45 mi (3,423.79 km) |
| Pittsburgh to Republic (Missouri) | 759.28 mi (1,221.94 km) |
| Pittsburgh to Reston (Virginia) | 173.63 mi (279.43 km) |
| Pittsburgh to Revere (Massachusetts) | 484.23 mi (779.29 km) |
| Pittsburgh to Rexburg (Idaho) | 1,636.63 mi (2,633.90 km) |
| Pittsburgh to Reynoldsburg (Ohio) | 152.38 mi (245.23 km) |
| Pittsburgh to Rialto (California) | 2,086.47 mi (3,357.85 km) |
| Pittsburgh to Richardson (Texas) | 1,058.27 mi (1,703.13 km) |
| Pittsburgh to Richfield (Minnesota) | 741.19 mi (1,192.84 km) |
| Pittsburgh to Richfield (Wisconsin) | 467.02 mi (751.60 km) |
| Pittsburgh to Richland (Washington) | 1,994.50 mi (3,209.84 km) |
