| Thornton to Pottsville (Pennsylvania) | 3,434.29 mi (5,526.96 km) |
| Thornton to Poughkeepsie (New York) | 3,298.57 mi (5,308.54 km) |
| Thornton to Poulsbo (Washington) | 4,615.99 mi (7,428.72 km) |
| Thornton to Poway (California) | 5,305.56 mi (8,538.47 km) |
| Thornton to Powder Springs (Georgia) | 4,095.98 mi (6,591.85 km) |
| Thornton to Powell (Ohio) | 3,723.80 mi (5,992.87 km) |
| Thornton to Powell (Tennessee) | 3,961.73 mi (6,375.79 km) |
| Thornton to Prairie Ridge (Washington) | 4,637.50 mi (7,463.33 km) |
| Thornton to Prairie Village (Kansas) | 4,212.40 mi (6,779.21 km) |
| Thornton to Prairieville (Louisiana) | 4,523.34 mi (7,279.61 km) |
| Thornton to Prattville (Alabama) | 4,236.91 mi (6,818.65 km) |
| Thornton to Preakness (New Jersey) | 3,344.69 mi (5,382.75 km) |
| Thornton to Prescott (Arizona) | 5,066.45 mi (8,153.67 km) |
| Thornton to Prescott Valley (Arizona) | 5,061.48 mi (8,145.67 km) |
| Thornton to Prichard (Alabama) | 4,389.37 mi (7,064.01 km) |
