| Grimstad to Karditsa | 1,438.03 mi (2,314.28 km) |
| Grimstad to Kastoria | 1,351.59 mi (2,175.17 km) |
| Grimstad to Katerini | 1,390.80 mi (2,238.27 km) |
| Grimstad to Keratsini | 1,560.60 mi (2,511.55 km) |
| Grimstad to Kerkyra | 1,387.08 mi (2,232.29 km) |
| Grimstad to Kiato | 1,541.43 mi (2,480.69 km) |
| Grimstad to Kifisia | 1,556.96 mi (2,505.69 km) |
| Grimstad to Kilkis | 1,352.16 mi (2,176.10 km) |
| Grimstad to Komotini | 1,399.71 mi (2,252.62 km) |
| Grimstad to Korinthos | 1,549.37 mi (2,493.47 km) |
| Grimstad to Koropi | 1,569.89 mi (2,526.49 km) |
| Grimstad to Korydallos | 1,560.17 mi (2,510.86 km) |
| Grimstad to Kos | 1,707.18 mi (2,747.44 km) |
| Grimstad to Kozani | 1,375.08 mi (2,212.98 km) |
| Grimstad to Lagos | 1,392.91 mi (2,241.68 km) |
