| Boulder to Erba | 5,258.41 mi (8,462.59 km) |
| Boulder to Erchie | 5,822.77 mi (9,370.85 km) |
| Boulder to Ercolano | 5,686.81 mi (9,152.04 km) |
| Boulder to Erice | 5,763.65 mi (9,275.70 km) |
| Boulder to Este | 5,370.87 mi (8,643.58 km) |
| Boulder to Fabriano | 5,508.40 mi (8,864.91 km) |
| Boulder to Faenza | 5,425.23 mi (8,731.06 km) |
| Boulder to Fagnano Olona | 5,253.48 mi (8,454.65 km) |
| Boulder to Fano | 5,486.70 mi (8,829.99 km) |
| Boulder to Fara in Sabina | 5,558.16 mi (8,944.99 km) |
| Boulder to Farra di Soligo | 5,353.88 mi (8,616.24 km) |
| Boulder to Fasano | 5,789.26 mi (9,316.92 km) |
| Boulder to Favara | 5,840.05 mi (9,398.65 km) |
| Boulder to Felino | 5,348.37 mi (8,607.37 km) |
| Boulder to Feltre | 5,340.26 mi (8,594.32 km) |
