| Pittsburgh to Cuenca | 3,958.54 mi (6,370.66 km) |
| Pittsburgh to Cuevas del Almanzora | 4,063.67 mi (6,539.84 km) |
| Pittsburgh to Cullera | 4,077.10 mi (6,561.45 km) |
| Pittsburgh to Culleredo | 3,572.27 mi (5,749.02 km) |
| Pittsburgh to Cunit | 4,096.10 mi (6,592.04 km) |
| Pittsburgh to Daganzo de Arriba | 3,882.24 mi (6,247.86 km) |
| Pittsburgh to Daimiel | 3,921.19 mi (6,310.55 km) |
| Pittsburgh to Don Benito | 3,818.32 mi (6,145.00 km) |
| Pittsburgh to Donostia | 3,864.52 mi (6,219.34 km) |
| Pittsburgh to Dos Hermanas | 3,868.76 mi (6,226.17 km) |
| Pittsburgh to Durango | 3,839.65 mi (6,179.32 km) |
| Pittsburgh to Ecija | 3,901.25 mi (6,278.46 km) |
| Pittsburgh to Ejea de los Caballeros | 3,939.57 mi (6,340.13 km) |
| Pittsburgh to El Alamo | 3,866.87 mi (6,223.12 km) |
| Pittsburgh to El Arahal | 3,887.36 mi (6,256.11 km) |
