| Boulder to Friesoythe | 4,874.66 mi (7,845.01 km) |
| Boulder to Fritzlar | 5,007.24 mi (8,058.37 km) |
| Boulder to Frohburg | 5,112.84 mi (8,228.32 km) |
| Boulder to Frondenberg | 4,943.12 mi (7,955.19 km) |
| Boulder to Fulda | 5,047.27 mi (8,122.80 km) |
| Boulder to Fuldabruck | 5,007.26 mi (8,058.40 km) |
| Boulder to Fuldatal | 5,004.73 mi (8,054.33 km) |
| Boulder to Furstenau | 4,891.82 mi (7,872.62 km) |
| Boulder to Furstenfeldbruck | 5,212.54 mi (8,388.78 km) |
| Boulder to Furstenwalde | 5,093.50 mi (8,197.19 km) |
| Boulder to Furth | 5,061.04 mi (8,144.95 km) |
| Boulder to Furth | 5,141.61 mi (8,274.63 km) |
| Boulder to Furth im Wald | 5,207.69 mi (8,380.97 km) |
| Boulder to Furtwangen im Schwarzwald | 5,117.57 mi (8,235.93 km) |
| Boulder to Fussen | 5,224.03 mi (8,407.27 km) |
