| Pittsburgh to Roermond | 3,964.32 mi (6,379.96 km) |
| Pittsburgh to Roosendaal | 3,894.66 mi (6,267.85 km) |
| Pittsburgh to Rosmalen | 3,925.06 mi (6,316.78 km) |
| Pittsburgh to Rotterdam | 3,885.65 mi (6,253.36 km) |
| Pittsburgh to Rozenburg | 3,876.19 mi (6,238.13 km) |
| Pittsburgh to Rucphen | 3,899.87 mi (6,276.23 km) |
| Pittsburgh to s-Gravendeel | 3,894.00 mi (6,266.78 km) |
| Pittsburgh to s-Gravenzande | 3,870.35 mi (6,228.73 km) |
| Pittsburgh to s-Heerenberg | 3,954.35 mi (6,363.92 km) |
| Pittsburgh to s-Hertogenbosch | 3,923.45 mi (6,314.18 km) |
| Pittsburgh to Sassenheim | 3,877.76 mi (6,240.65 km) |
| Pittsburgh to Schaesberg | 3,974.64 mi (6,396.56 km) |
| Pittsburgh to Schagen | 3,872.71 mi (6,232.52 km) |
| Pittsburgh to Scherpenzeel | 3,918.26 mi (6,305.84 km) |
| Pittsburgh to Scheveningen | 3,871.43 mi (6,230.47 km) |
