| Boulder to Annaberg-Buchholz | 5,149.97 mi (8,288.07 km) |
| Boulder to Anrochte | 4,956.80 mi (7,977.20 km) |
| Boulder to Ansbach | 5,136.28 mi (8,266.05 km) |
| Boulder to Apen | 4,863.93 mi (7,827.74 km) |
| Boulder to Apolda | 5,082.79 mi (8,179.96 km) |
| Boulder to Appenweier | 5,086.82 mi (8,186.45 km) |
| Boulder to Arnsberg | 4,957.37 mi (7,978.12 km) |
| Boulder to Arnstadt | 5,073.85 mi (8,165.57 km) |
| Boulder to Aschaffenburg | 5,058.10 mi (8,140.23 km) |
| Boulder to Ascheberg | 4,923.83 mi (7,924.15 km) |
| Boulder to Aschersleben | 5,045.77 mi (8,120.39 km) |
| Boulder to Aschheim | 5,227.80 mi (8,413.34 km) |
| Boulder to Asperg | 5,108.15 mi (8,220.78 km) |
| Boulder to Asslar | 5,006.99 mi (8,057.97 km) |
| Boulder to Attendorn | 4,963.88 mi (7,988.59 km) |
