| Duluth to Felida (Washington) | 1,453.41 mi (2,339.03 km) |
| Duluth to Fenton (Michigan) | 495.71 mi (797.77 km) |
| Duluth to Fergus Falls (Minnesota) | 190.14 mi (306.00 km) |
| Duluth to Ferguson (Missouri) | 562.37 mi (905.05 km) |
| Duluth to Fernandina Beach (Florida) | 1,251.19 mi (2,013.59 km) |
| Duluth to Ferndale (Maryland) | 940.35 mi (1,513.35 km) |
| Duluth to Ferndale (Michigan) | 533.53 mi (858.63 km) |
| Duluth to Ferndale (Washington) | 1,410.58 mi (2,270.11 km) |
| Duluth to Fernley (Nevada) | 1,442.70 mi (2,321.81 km) |
| Duluth to Ferry Pass (Florida) | 1,153.82 mi (1,856.90 km) |
| Duluth to Festus (Missouri) | 597.66 mi (961.85 km) |
| Duluth to Fife (Washington) | 1,414.96 mi (2,277.16 km) |
| Duluth to Fillmore (California) | 1,632.63 mi (2,627.46 km) |
| Duluth to Findlay (Ohio) | 578.80 mi (931.50 km) |
| Duluth to Finneytown (Ohio) | 648.40 mi (1,043.49 km) |
