| Alpena to Yverdon-les-Bains | 4,075.49 mi (6,558.86 km) |
| Alpena to Zofingen | 4,105.66 mi (6,607.43 km) |
| Alpena to Zollikon | 4,128.06 mi (6,643.47 km) |
| Alpena to Zuchwil | 4,094.35 mi (6,589.21 km) |
| Alpena to Zug | 4,132.65 mi (6,650.85 km) |
| Alpena to Zurich | 4,125.35 mi (6,639.11 km) |
| Alpena to Ra's al `Ayn | 5,771.57 mi (9,288.45 km) |
| Alpena to Tall Abyad | 5,743.27 mi (9,242.90 km) |
| Alpena to Acarlar | 5,289.42 mi (8,512.50 km) |
| Alpena to Acigol | 5,492.58 mi (8,839.46 km) |
| Alpena to Acipayam | 5,368.65 mi (8,640.01 km) |
| Alpena to Adakli | 5,652.18 mi (9,096.31 km) |
| Alpena to Adana | 5,603.41 mi (9,017.82 km) |
| Alpena to Adilcevaz | 5,747.05 mi (9,248.99 km) |
| Alpena to Adiyaman | 5,661.98 mi (9,112.08 km) |
