| Philadelphia to Yverdon-les-Bains | 3,943.57 mi (6,346.56 km) |
| Philadelphia to Zofingen | 3,983.36 mi (6,410.60 km) |
| Philadelphia to Zollikon | 4,008.73 mi (6,451.43 km) |
| Philadelphia to Zuchwil | 3,969.91 mi (6,388.95 km) |
| Philadelphia to Zug | 4,011.46 mi (6,455.82 km) |
| Philadelphia to Zurich | 4,006.19 mi (6,447.34 km) |
| Philadelphia to Ra's al `Ayn | 5,724.07 mi (9,212.00 km) |
| Philadelphia to Tall Abyad | 5,688.31 mi (9,154.45 km) |
| Philadelphia to Acarlar | 5,180.17 mi (8,336.68 km) |
| Philadelphia to Acigol | 5,424.49 mi (8,729.87 km) |
| Philadelphia to Acipayam | 5,264.96 mi (8,473.13 km) |
| Philadelphia to Adakli | 5,621.86 mi (9,047.51 km) |
| Philadelphia to Adana | 5,529.59 mi (8,899.01 km) |
| Philadelphia to Adilcevaz | 5,727.20 mi (9,217.03 km) |
| Philadelphia to Adiyaman | 5,609.85 mi (9,028.18 km) |
