| Boulder to Freilassing | 5,284.97 mi (8,505.33 km) |
| Boulder to Freising | 5,217.56 mi (8,396.85 km) |
| Boulder to Freital | 5,148.09 mi (8,285.06 km) |
| Boulder to Freudenberg | 4,972.88 mi (8,003.07 km) |
| Boulder to Freudenstadt | 5,104.86 mi (8,215.48 km) |
| Boulder to Freystadt | 5,164.71 mi (8,311.79 km) |
| Boulder to Frickenhausen | 5,130.30 mi (8,256.43 km) |
| Boulder to Friedberg | 5,195.27 mi (8,360.98 km) |
| Boulder to Friedberg | 5,027.87 mi (8,091.57 km) |
| Boulder to Friedeburg | 4,854.18 mi (7,812.04 km) |
| Boulder to Friedland | 5,014.29 mi (8,069.72 km) |
| Boulder to Friedrichsdorf | 5,027.95 mi (8,091.71 km) |
| Boulder to Friedrichshafen | 5,179.46 mi (8,335.53 km) |
| Boulder to Friedrichsthal | 5,020.56 mi (8,079.82 km) |
| Boulder to Friesenheim | 5,091.39 mi (8,193.80 km) |
