| Thornton to Plattsburgh (New York) | 3,148.78 mi (5,067.48 km) |
| Thornton to Pleasant Grove (Utah) | 4,720.09 mi (7,596.25 km) |
| Thornton to Pleasant Hill (California) | 5,169.99 mi (8,320.30 km) |
| Thornton to Pleasant Hill (Iowa) | 4,040.24 mi (6,502.14 km) |
| Thornton to Pleasant Prairie (Wisconsin) | 3,791.06 mi (6,101.12 km) |
| Thornton to Pleasant View (Utah) | 4,675.46 mi (7,524.43 km) |
| Thornton to Pleasanton (California) | 5,181.21 mi (8,338.35 km) |
| Thornton to Pleasanton (Texas) | 4,883.20 mi (7,858.76 km) |
| Thornton to Pleasantville (New Jersey) | 3,427.39 mi (5,515.85 km) |
| Thornton to Plover (Wisconsin) | 3,758.52 mi (6,048.75 km) |
| Thornton to Plum (Pennsylvania) | 3,580.07 mi (5,761.57 km) |
| Thornton to Plymouth (Indiana) | 3,789.44 mi (6,098.52 km) |
| Thornton to Plymouth (Minnesota) | 3,870.07 mi (6,228.28 km) |
| Thornton to Pocatello (Idaho) | 4,604.28 mi (7,409.87 km) |
| Thornton to Poinciana (Florida) | 4,263.11 mi (6,860.81 km) |
