| Grantham to Glyka Nera | 1,558.32 mi (2,507.87 km) |
| Grantham to Grevena | 1,363.93 mi (2,195.04 km) |
| Grantham to Ialysos | 1,795.97 mi (2,890.33 km) |
| Grantham to Ilion | 1,550.88 mi (2,495.90 km) |
| Grantham to Ilioupoli | 1,557.90 mi (2,507.20 km) |
| Grantham to Ioannina | 1,365.56 mi (2,197.66 km) |
| Grantham to Irakleio | 1,745.27 mi (2,808.75 km) |
| Grantham to Irakleio | 1,552.37 mi (2,498.30 km) |
| Grantham to Kaisariani | 1,556.36 mi (2,504.71 km) |
| Grantham to Kalamaria | 1,393.82 mi (2,243.14 km) |
| Grantham to Kalamata | 1,549.27 mi (2,493.31 km) |
| Grantham to Kallithea | 1,555.26 mi (2,502.94 km) |
| Grantham to Kalymnos | 1,723.54 mi (2,773.76 km) |
| Grantham to Kalyvia Thorikou | 1,569.06 mi (2,525.16 km) |
| Grantham to Kamatero | 1,549.92 mi (2,494.36 km) |
