| Thornton to Desert Hot Springs (California) | 5,234.61 mi (8,424.28 km) |
| Thornton to DeSoto (Texas) | 4,627.18 mi (7,446.72 km) |
| Thornton to Destin (Florida) | 4,343.88 mi (6,990.80 km) |
| Thornton to Destrehan (Louisiana) | 4,518.99 mi (7,272.61 km) |
| Thornton to Detroit (Michigan) | 3,619.93 mi (5,825.72 km) |
| Thornton to Diamond Bar (California) | 5,272.19 mi (8,484.78 km) |
| Thornton to Diamond Springs (California) | 5,091.09 mi (8,193.31 km) |
| Thornton to Dickinson (North Dakota) | 4,088.56 mi (6,579.90 km) |
| Thornton to Dickinson (Texas) | 4,726.64 mi (7,606.79 km) |
| Thornton to Dickson (Tennessee) | 4,089.06 mi (6,580.71 km) |
| Thornton to Difficult Run (Virginia) | 3,561.78 mi (5,732.13 km) |
| Thornton to Dinuba (California) | 5,173.27 mi (8,325.57 km) |
| Thornton to Discovery Bay (California) | 5,159.00 mi (8,302.60 km) |
| Thornton to Dix Hills (New York) | 3,315.92 mi (5,336.45 km) |
| Thornton to Dixon (California) | 5,133.89 mi (8,262.19 km) |
