| Willoughby to Glyka Nera | 5,201.42 mi (8,370.88 km) |
| Willoughby to Grevena | 5,008.50 mi (8,060.41 km) |
| Willoughby to Ialysos | 5,448.77 mi (8,768.95 km) |
| Willoughby to Ilion | 5,193.49 mi (8,358.11 km) |
| Willoughby to Ilioupoli | 5,200.12 mi (8,368.79 km) |
| Willoughby to Ioannina | 5,003.92 mi (8,053.03 km) |
| Willoughby to Irakleio | 5,377.51 mi (8,654.26 km) |
| Willoughby to Irakleio | 5,195.43 mi (8,361.23 km) |
| Willoughby to Kaisariani | 5,198.85 mi (8,366.74 km) |
| Willoughby to Kalamaria | 5,047.12 mi (8,122.56 km) |
| Willoughby to Kalamata | 5,173.78 mi (8,326.39 km) |
| Willoughby to Kallithea | 5,197.32 mi (8,364.28 km) |
| Willoughby to Kalymnos | 5,374.78 mi (8,649.88 km) |
| Willoughby to Kalyvia Thorikou | 5,211.50 mi (8,387.10 km) |
| Willoughby to Kamatero | 5,192.76 mi (8,356.94 km) |
