| Philadelphia to Zottegem | 3,713.00 mi (5,975.50 km) |
| Philadelphia to Zulte | 3,696.85 mi (5,949.50 km) |
| Philadelphia to Zwevegem | 3,695.66 mi (5,947.59 km) |
| Philadelphia to Zwijndrecht | 3,725.83 mi (5,996.14 km) |
| Philadelphia to Asenovgrad | 4,880.79 mi (7,854.87 km) |
| Philadelphia to Aytos | 4,948.71 mi (7,964.17 km) |
| Philadelphia to Balchik | 4,953.91 mi (7,972.55 km) |
| Philadelphia to Bankya | 4,781.53 mi (7,695.14 km) |
| Philadelphia to Bansko | 4,831.26 mi (7,775.16 km) |
| Philadelphia to Berkovitsa | 4,759.33 mi (7,659.41 km) |
| Philadelphia to Blagoevgrad | 4,807.62 mi (7,737.12 km) |
| Philadelphia to Botevgrad | 4,800.22 mi (7,725.21 km) |
| Philadelphia to Burgas | 4,965.91 mi (7,991.87 km) |
| Philadelphia to Byala Slatina | 4,783.16 mi (7,697.75 km) |
| Philadelphia to Chirpan | 4,891.91 mi (7,872.77 km) |
