| Grimstad to Karlovo | 1,290.31 mi (2,076.56 km) |
| Grimstad to Karnobat | 1,343.80 mi (2,162.64 km) |
| Grimstad to Kavarna | 1,331.76 mi (2,143.27 km) |
| Grimstad to Kazanlak | 1,305.92 mi (2,101.67 km) |
| Grimstad to Knezha | 1,220.97 mi (1,964.96 km) |
| Grimstad to Kostinbrod | 1,243.79 mi (2,001.69 km) |
| Grimstad to Kozloduy | 1,195.53 mi (1,924.02 km) |
| Grimstad to Kyustendil | 1,265.94 mi (2,037.34 km) |
| Grimstad to Levski | 1,253.90 mi (2,017.96 km) |
| Grimstad to Lom | 1,181.65 mi (1,901.68 km) |
| Grimstad to Lovech | 1,258.12 mi (2,024.74 km) |
| Grimstad to Lukovit | 1,241.31 mi (1,997.69 km) |
| Grimstad to Lyaskovets | 1,284.21 mi (2,066.73 km) |
| Grimstad to Mezdra | 1,233.77 mi (1,985.56 km) |
| Grimstad to Momchilgrad | 1,372.87 mi (2,209.42 km) |
