| Idar-Oberstein to Fortuna Foothills (Arizona) | 5,720.19 mi (9,205.75 km) |
| Idar-Oberstein to Foster City (California) | 5,669.04 mi (9,123.43 km) |
| Idar-Oberstein to Fostoria (Ohio) | 4,164.39 mi (6,701.94 km) |
| Idar-Oberstein to Fountain (Colorado) | 5,062.85 mi (8,147.87 km) |
| Idar-Oberstein to Fountain Hills (Arizona) | 5,579.55 mi (8,979.42 km) |
| Idar-Oberstein to Fountain Inn (South Carolina) | 4,420.32 mi (7,113.82 km) |
| Idar-Oberstein to Fountain Valley (California) | 5,770.94 mi (9,287.44 km) |
| Idar-Oberstein to Fountainebleau (Florida) | 4,779.82 mi (7,692.38 km) |
| Idar-Oberstein to Four Corners (Oregon) | 5,247.97 mi (8,445.78 km) |
| Idar-Oberstein to Four Corners (Texas) | 5,212.11 mi (8,388.08 km) |
| Idar-Oberstein to Four Square Mile (Colorado) | 5,016.31 mi (8,072.97 km) |
| Idar-Oberstein to Fox Crossing (Wisconsin) | 4,212.61 mi (6,779.55 km) |
| Idar-Oberstein to Fox Lake (Illinois) | 4,286.52 mi (6,898.49 km) |
| Idar-Oberstein to Framingham (Massachusetts) | 3,637.42 mi (5,853.87 km) |
| Idar-Oberstein to Franconia (Virginia) | 4,024.70 mi (6,477.12 km) |
