| Thornton to Parma Heights (Ohio) | 3,615.89 mi (5,819.21 km) |
| Thornton to Parole (Maryland) | 3,526.53 mi (5,675.40 km) |
| Thornton to Parsippany (New Jersey) | 3,355.48 mi (5,400.12 km) |
| Thornton to Pasadena (California) | 5,272.99 mi (8,486.06 km) |
| Thornton to Pasadena (Maryland) | 3,518.67 mi (5,662.75 km) |
| Thornton to Pasadena (Texas) | 4,719.28 mi (7,594.95 km) |
| Thornton to Pasadena Hills (Florida) | 4,284.84 mi (6,895.78 km) |
| Thornton to Pascagoula (Mississippi) | 4,427.00 mi (7,124.57 km) |
| Thornton to Pasco (Washington) | 4,608.23 mi (7,416.23 km) |
| Thornton to Passaic (New Jersey) | 3,344.59 mi (5,382.60 km) |
| Thornton to Pataskala (Ohio) | 3,717.30 mi (5,982.42 km) |
| Thornton to Patchogue (New York) | 3,305.20 mi (5,319.21 km) |
| Thornton to Paterson (New Jersey) | 3,343.33 mi (5,380.57 km) |
| Thornton to Patterson (California) | 5,171.19 mi (8,322.23 km) |
| Thornton to Pawtucket (Rhode Island) | 3,190.41 mi (5,134.48 km) |
