| Guastalla to Glyka Nera | 831.91 mi (1,338.84 km) |
| Guastalla to Grevena | 641.01 mi (1,031.61 km) |
| Guastalla to Ialysos | 1,084.77 mi (1,745.77 km) |
| Guastalla to Ilion | 823.85 mi (1,325.85 km) |
| Guastalla to Ilioupoli | 830.34 mi (1,336.31 km) |
| Guastalla to Ioannina | 633.85 mi (1,020.09 km) |
| Guastalla to Irakleio | 1,008.17 mi (1,622.50 km) |
| Guastalla to Irakleio | 825.93 mi (1,329.20 km) |
| Guastalla to Kaisariani | 829.15 mi (1,334.39 km) |
| Guastalla to Kalamaria | 690.43 mi (1,111.14 km) |
| Guastalla to Kalamata | 806.47 mi (1,297.88 km) |
| Guastalla to Kallithea | 827.51 mi (1,331.75 km) |
| Guastalla to Kalymnos | 1,009.54 mi (1,624.69 km) |
| Guastalla to Kalyvia Thorikou | 841.75 mi (1,354.67 km) |
| Guastalla to Kamatero | 823.20 mi (1,324.81 km) |
