| Duffel to Florence (South Carolina) | 4,196.93 mi (6,754.30 km) |
| Duffel to Florence-Graham (California) | 5,610.31 mi (9,028.92 km) |
| Duffel to Florham Park (New Jersey) | 3,672.23 mi (5,909.88 km) |
| Duffel to Florida (Puerto Rico) | 4,421.58 mi (7,115.85 km) |
| Duffel to Florida City (Florida) | 4,658.59 mi (7,497.28 km) |
| Duffel to Florida Ridge (Florida) | 4,546.93 mi (7,317.58 km) |
| Duffel to Florin (California) | 5,437.81 mi (8,751.32 km) |
| Duffel to Florissant (Missouri) | 4,386.87 mi (7,059.99 km) |
| Duffel to Flower Hill (Maryland) | 3,856.67 mi (6,206.70 km) |
| Duffel to Flower Mound (Texas) | 4,936.80 mi (7,945.00 km) |
| Duffel to Flowing Wells (Arizona) | 5,473.63 mi (8,808.96 km) |
| Duffel to Foley (Alabama) | 4,704.44 mi (7,571.07 km) |
| Duffel to Folsom (California) | 5,419.62 mi (8,722.03 km) |
| Duffel to Fond du Lac (Wisconsin) | 4,076.72 mi (6,560.84 km) |
| Duffel to Fontana (California) | 5,578.68 mi (8,978.01 km) |
