| Ottawa to Pell City (Alabama) | 556.46 mi (895.54 km) |
| Ottawa to Pella (Iowa) | 212.19 mi (341.49 km) |
| Ottawa to Pembroke Pines (Florida) | 1,165.52 mi (1,875.72 km) |
| Ottawa to Pendleton (Oregon) | 1,522.84 mi (2,450.78 km) |
| Ottawa to Pensacola (Florida) | 759.59 mi (1,222.44 km) |
| Ottawa to Peoria (Arizona) | 1,382.29 mi (2,224.58 km) |
| Ottawa to Peoria (Illinois) | 58.57 mi (94.25 km) |
| Ottawa to Perris (California) | 1,631.91 mi (2,626.31 km) |
| Ottawa to Perry (Georgia) | 674.98 mi (1,086.28 km) |
| Ottawa to Perry Hall (Maryland) | 663.09 mi (1,067.14 km) |
| Ottawa to Perrysburg (Ohio) | 268.78 mi (432.56 km) |
| Ottawa to Perth Amboy (New Jersey) | 760.91 mi (1,224.57 km) |
| Ottawa to Peru (Indiana) | 149.10 mi (239.95 km) |
| Ottawa to Petal (Mississippi) | 691.85 mi (1,113.42 km) |
| Ottawa to Petaluma (California) | 1,795.65 mi (2,889.82 km) |
