| Pittsburgh to Owosso (Michigan) | 279.39 mi (449.64 km) |
| Pittsburgh to Oxford (Alabama) | 573.45 mi (922.87 km) |
| Pittsburgh to Oxford (Mississippi) | 671.22 mi (1,080.22 km) |
| Pittsburgh to Oxford (Ohio) | 260.55 mi (419.32 km) |
| Pittsburgh to Oxnard (California) | 2,178.57 mi (3,506.07 km) |
| Pittsburgh to Oxon Hill (Maryland) | 196.39 mi (316.06 km) |
| Pittsburgh to Ozark (Alabama) | 696.99 mi (1,121.70 km) |
| Pittsburgh to Ozark (Missouri) | 750.39 mi (1,207.63 km) |
| Pittsburgh to Pace (Florida) | 789.19 mi (1,270.08 km) |
| Pittsburgh to Pacific Grove (California) | 2,261.39 mi (3,639.36 km) |
| Pittsburgh to Pacifica (California) | 2,267.70 mi (3,649.51 km) |
| Pittsburgh to Paducah (Kentucky) | 521.47 mi (839.23 km) |
| Pittsburgh to Pahrump (Nevada) | 1,960.15 mi (3,154.56 km) |
| Pittsburgh to Painesville (Ohio) | 110.90 mi (178.48 km) |
| Pittsburgh to Palatine (Illinois) | 434.42 mi (699.13 km) |
