| Grimstad to Glyka Nera | 1,563.49 mi (2,516.19 km) |
| Grimstad to Grevena | 1,382.51 mi (2,224.94 km) |
| Grimstad to Ialysos | 1,755.16 mi (2,824.65 km) |
| Grimstad to Ilion | 1,557.91 mi (2,507.22 km) |
| Grimstad to Ilioupoli | 1,565.34 mi (2,519.17 km) |
| Grimstad to Ioannina | 1,399.88 mi (2,252.89 km) |
| Grimstad to Irakleio | 1,760.04 mi (2,832.51 km) |
| Grimstad to Irakleio | 1,558.13 mi (2,507.57 km) |
| Grimstad to Kaisariani | 1,563.24 mi (2,515.80 km) |
| Grimstad to Kalamaria | 1,379.36 mi (2,219.86 km) |
| Grimstad to Kalamata | 1,593.57 mi (2,564.60 km) |
| Grimstad to Kallithea | 1,563.29 mi (2,515.88 km) |
| Grimstad to Kalymnos | 1,692.83 mi (2,724.34 km) |
| Grimstad to Kalyvia Thorikou | 1,575.04 mi (2,534.78 km) |
| Grimstad to Kamatero | 1,556.44 mi (2,504.85 km) |
