| Boone to Zottegem | 4,152.50 mi (6,682.81 km) |
| Boone to Zulte | 4,136.38 mi (6,656.86 km) |
| Boone to Zwevegem | 4,135.30 mi (6,655.12 km) |
| Boone to Zwijndrecht | 4,164.94 mi (6,702.82 km) |
| Boone to Asenovgrad | 5,320.65 mi (8,562.76 km) |
| Boone to Aytos | 5,387.32 mi (8,670.06 km) |
| Boone to Balchik | 5,391.59 mi (8,676.93 km) |
| Boone to Bankya | 5,221.54 mi (8,403.25 km) |
| Boone to Bansko | 5,271.57 mi (8,483.78 km) |
| Boone to Berkovitsa | 5,199.05 mi (8,367.07 km) |
| Boone to Blagoevgrad | 5,247.96 mi (8,445.77 km) |
| Boone to Botevgrad | 5,239.92 mi (8,432.84 km) |
| Boone to Burgas | 5,404.58 mi (8,697.83 km) |
| Boone to Byala Slatina | 5,222.49 mi (8,404.78 km) |
| Boone to Chirpan | 5,331.53 mi (8,580.27 km) |
