| Boulder to Acqui Terme | 5,286.96 mi (8,508.54 km) |
| Boulder to Acri | 5,825.26 mi (9,374.85 km) |
| Boulder to Adelfia | 5,763.53 mi (9,275.50 km) |
| Boulder to Adrano | 5,865.12 mi (9,438.99 km) |
| Boulder to Adria | 5,392.97 mi (8,679.15 km) |
| Boulder to Afragola | 5,679.67 mi (9,140.55 km) |
| Boulder to Agliana | 5,413.69 mi (8,712.49 km) |
| Boulder to Agrate Brianza | 5,274.26 mi (8,488.10 km) |
| Boulder to Agrigento | 5,837.19 mi (9,394.05 km) |
| Boulder to Agropoli | 5,732.16 mi (9,225.02 km) |
| Boulder to Ala | 5,322.78 mi (8,566.18 km) |
| Boulder to Alassio | 5,308.56 mi (8,543.30 km) |
| Boulder to Alatri | 5,604.32 mi (9,019.28 km) |
| Boulder to Alba | 5,270.37 mi (8,481.84 km) |
| Boulder to Albano Laziale | 5,580.13 mi (8,980.35 km) |
