| Ottawa to Pikesville (Maryland) | 651.91 mi (1,049.15 km) |
| Ottawa to Pine Bluff (Arkansas) | 523.35 mi (842.24 km) |
| Ottawa to Pine Castle (Florida) | 984.67 mi (1,584.68 km) |
| Ottawa to Pine Hill (New Jersey) | 733.60 mi (1,180.62 km) |
| Ottawa to Pine Hills (Florida) | 974.98 mi (1,569.09 km) |
| Ottawa to Pinecrest (Florida) | 1,188.56 mi (1,912.80 km) |
| Ottawa to Pinehurst (North Carolina) | 661.85 mi (1,065.15 km) |
| Ottawa to Pinellas Park (Florida) | 994.62 mi (1,600.68 km) |
| Ottawa to Pineville (Louisiana) | 719.88 mi (1,158.54 km) |
| Ottawa to Pineville (North Carolina) | 610.31 mi (982.21 km) |
| Ottawa to Pinewood (Florida) | 1,177.53 mi (1,895.05 km) |
| Ottawa to Piney Green (North Carolina) | 773.57 mi (1,244.94 km) |
| Ottawa to Pinole (California) | 1,783.17 mi (2,869.74 km) |
| Ottawa to Piqua (Ohio) | 253.82 mi (408.49 km) |
| Ottawa to Pittsburg (California) | 1,762.61 mi (2,836.65 km) |
