| Formia to Karakocan | 1,399.66 mi (2,252.54 km) |
| Formia to Karakopru | 1,371.49 mi (2,207.20 km) |
| Formia to Karaman | 1,083.83 mi (1,744.25 km) |
| Formia to Karapinar | 1,088.24 mi (1,751.36 km) |
| Formia to Karatas | 1,210.69 mi (1,948.42 km) |
| Formia to Karatepe | 852.11 mi (1,371.34 km) |
| Formia to Karayilan | 1,250.61 mi (2,012.67 km) |
| Formia to Kargipinar | 1,158.51 mi (1,864.44 km) |
| Formia to Karkamis | 1,338.86 mi (2,154.68 km) |
| Formia to Karliova | 1,444.45 mi (2,324.61 km) |
| Formia to Kars | 1,531.92 mi (2,465.39 km) |
| Formia to Kartal | 810.46 mi (1,304.32 km) |
| Formia to Kas | 929.82 mi (1,496.41 km) |
| Formia to Kastamonu | 1,043.75 mi (1,679.75 km) |
| Formia to Kavak | 1,163.09 mi (1,871.81 km) |
