| Pittsburgh to Ross on Wye | 3,606.01 mi (5,803.31 km) |
| Pittsburgh to Rossington | 3,629.46 mi (5,841.06 km) |
| Pittsburgh to Rosyth | 3,484.91 mi (5,608.42 km) |
| Pittsburgh to Rotherham | 3,619.08 mi (5,824.34 km) |
| Pittsburgh to Rothwell | 3,607.07 mi (5,805.01 km) |
| Pittsburgh to Rottingdean | 3,734.83 mi (6,010.63 km) |
| Pittsburgh to Rowley Regis | 3,613.90 mi (5,816.01 km) |
| Pittsburgh to Royal Leamington Spa | 3,638.87 mi (5,856.19 km) |
| Pittsburgh to Royal Tunbridge Wells | 3,739.75 mi (6,018.55 km) |
| Pittsburgh to Royal Wootton Bassett | 3,642.71 mi (5,862.38 km) |
| Pittsburgh to Royston | 3,611.32 mi (5,811.86 km) |
| Pittsburgh to Royston | 3,704.95 mi (5,962.54 km) |
| Pittsburgh to Royton | 3,586.34 mi (5,771.65 km) |
| Pittsburgh to Rugby | 3,647.95 mi (5,870.81 km) |
| Pittsburgh to Rugeley | 3,611.93 mi (5,812.84 km) |
