| Duluth to Friesoythe | 4,097.05 mi (6,593.56 km) |
| Duluth to Fritzlar | 4,226.30 mi (6,801.57 km) |
| Duluth to Frohburg | 4,337.08 mi (6,979.86 km) |
| Duluth to Frondenberg | 4,160.83 mi (6,696.21 km) |
| Duluth to Fulda | 4,265.34 mi (6,864.40 km) |
| Duluth to Fuldabruck | 4,227.00 mi (6,802.71 km) |
| Duluth to Fuldatal | 4,224.77 mi (6,799.12 km) |
| Duluth to Furstenau | 4,112.38 mi (6,618.24 km) |
| Duluth to Furstenfeldbruck | 4,427.00 mi (7,124.57 km) |
| Duluth to Furstenwalde | 4,324.55 mi (6,959.69 km) |
| Duluth to Furth | 4,275.44 mi (6,880.65 km) |
| Duluth to Furth | 4,358.88 mi (7,014.94 km) |
| Duluth to Furth im Wald | 4,427.54 mi (7,125.43 km) |
| Duluth to Furtwangen im Schwarzwald | 4,327.46 mi (6,964.38 km) |
| Duluth to Fussen | 4,436.26 mi (7,139.47 km) |
