| Pittsburgh to Norton (Ohio) | 96.45 mi (155.22 km) |
| Pittsburgh to Norton Shores (Michigan) | 373.83 mi (601.62 km) |
| Pittsburgh to Norwalk (California) | 2,128.72 mi (3,425.84 km) |
| Pittsburgh to Norwalk (Connecticut) | 346.02 mi (556.87 km) |
| Pittsburgh to Norwalk (Iowa) | 718.46 mi (1,156.25 km) |
| Pittsburgh to Norwalk (Ohio) | 148.40 mi (238.82 km) |
| Pittsburgh to Norwich (Connecticut) | 418.29 mi (673.17 km) |
| Pittsburgh to Norwood (Ohio) | 253.53 mi (408.02 km) |
| Pittsburgh to Novato (California) | 2,261.50 mi (3,639.53 km) |
| Pittsburgh to Novi (Michigan) | 230.04 mi (370.21 km) |
| Pittsburgh to O'Fallon (Illinois) | 544.47 mi (876.24 km) |
| Pittsburgh to O'Fallon (Missouri) | 582.66 mi (937.69 km) |
| Pittsburgh to Oak Creek (Wisconsin) | 442.23 mi (711.70 km) |
| Pittsburgh to Oak Forest (Illinois) | 413.13 mi (664.88 km) |
| Pittsburgh to Oak Grove (Oregon) | 2,159.48 mi (3,475.35 km) |
