| Duluth to Fisciano | 4,909.32 mi (7,900.78 km) |
| Duluth to Fiuggi | 4,800.80 mi (7,726.15 km) |
| Duluth to Fiume Veneto | 4,583.60 mi (7,376.59 km) |
| Duluth to Fiumefreddo di Sicilia | 5,072.91 mi (8,164.06 km) |
| Duluth to Fiumicino | 4,766.56 mi (7,671.04 km) |
| Duluth to Flero | 4,514.79 mi (7,265.85 km) |
| Duluth to Florence | 4,634.41 mi (7,458.35 km) |
| Duluth to Floridia | 5,107.29 mi (8,219.39 km) |
| Duluth to Foggia | 4,901.36 mi (7,887.98 km) |
| Duluth to Foiano della Chiana | 4,679.69 mi (7,531.24 km) |
| Duluth to Folignano | 4,766.05 mi (7,670.21 km) |
| Duluth to Foligno | 4,726.05 mi (7,605.84 km) |
| Duluth to Follonica | 4,657.18 mi (7,495.00 km) |
| Duluth to Fondi | 4,830.17 mi (7,773.40 km) |
| Duluth to Fontanafredda | 4,576.21 mi (7,364.71 km) |
