| Willow Grove to Glyka Nera | 4,999.78 mi (8,046.36 km) |
| Willow Grove to Grevena | 4,809.16 mi (7,739.59 km) |
| Willow Grove to Ialysos | 5,252.45 mi (8,453.00 km) |
| Willow Grove to Ilion | 4,991.62 mi (8,033.24 km) |
| Willow Grove to Ilioupoli | 4,997.99 mi (8,043.49 km) |
| Willow Grove to Ioannina | 4,801.46 mi (7,727.20 km) |
| Willow Grove to Irakleio | 5,169.08 mi (8,318.83 km) |
| Willow Grove to Irakleio | 4,993.80 mi (8,036.74 km) |
| Willow Grove to Kaisariani | 4,996.88 mi (8,041.70 km) |
| Willow Grove to Kalamaria | 4,853.56 mi (7,811.06 km) |
| Willow Grove to Kalamata | 4,964.03 mi (7,988.83 km) |
| Willow Grove to Kallithea | 4,995.13 mi (8,038.88 km) |
| Willow Grove to Kalymnos | 5,177.48 mi (8,332.34 km) |
| Willow Grove to Kalyvia Thorikou | 5,009.41 mi (8,061.87 km) |
| Willow Grove to Kamatero | 4,991.03 mi (8,032.29 km) |
