| Ottawa to Pottsville (Pennsylvania) | 658.81 mi (1,060.26 km) |
| Ottawa to Poughkeepsie (New York) | 770.40 mi (1,239.83 km) |
| Ottawa to Poulsbo (Washington) | 1,707.55 mi (2,748.04 km) |
| Ottawa to Poway (California) | 1,647.45 mi (2,651.32 km) |
| Ottawa to Powder Springs (Georgia) | 564.78 mi (908.92 km) |
| Ottawa to Powell (Ohio) | 311.47 mi (501.27 km) |
| Ottawa to Powell (Tennessee) | 449.27 mi (723.03 km) |
| Ottawa to Prairie Ridge (Washington) | 1,682.83 mi (2,708.25 km) |
| Ottawa to Prairie Village (Kansas) | 347.55 mi (559.32 km) |
| Ottawa to Prairieville (Louisiana) | 772.03 mi (1,242.46 km) |
| Ottawa to Prattville (Alabama) | 628.34 mi (1,011.22 km) |
| Ottawa to Preakness (New Jersey) | 759.37 mi (1,222.09 km) |
| Ottawa to Prescott (Arizona) | 1,363.74 mi (2,194.73 km) |
| Ottawa to Prescott Valley (Arizona) | 1,356.81 mi (2,183.57 km) |
| Ottawa to Prichard (Alabama) | 732.17 mi (1,178.31 km) |
