| Duncan to Lebanon (Indiana) | 734.82 mi (1,182.58 km) |
| Duncan to Lebanon (Missouri) | 364.66 mi (586.86 km) |
| Duncan to Lebanon (New Hampshire) | 1,505.05 mi (2,422.14 km) |
| Duncan to Lebanon (Ohio) | 827.29 mi (1,331.39 km) |
| Duncan to Lebanon (Oregon) | 1,491.29 mi (2,399.99 km) |
| Duncan to Lebanon (Pennsylvania) | 1,241.86 mi (1,998.58 km) |
| Duncan to Lebanon (Tennessee) | 661.66 mi (1,064.84 km) |
| Duncan to Lee's Summit (Missouri) | 360.28 mi (579.81 km) |
| Duncan to Leeds (Alabama) | 653.54 mi (1,051.77 km) |
| Duncan to Leesburg (Florida) | 1,021.89 mi (1,644.58 km) |
| Duncan to Leesburg (Virginia) | 1,166.95 mi (1,878.03 km) |
| Duncan to Lehi (Utah) | 864.48 mi (1,391.25 km) |
| Duncan to Lehigh Acres (Florida) | 1,110.66 mi (1,787.44 km) |
| Duncan to Leisure City (Florida) | 1,215.86 mi (1,956.75 km) |
| Duncan to Leland (North Carolina) | 1,132.91 mi (1,823.24 km) |
