| Formia to Kayapinar | 1,427.43 mi (2,297.22 km) |
| Formia to Kayseri | 1,167.76 mi (1,879.34 km) |
| Formia to Kemalpasa | 756.91 mi (1,218.13 km) |
| Formia to Kemer | 963.59 mi (1,550.74 km) |
| Formia to Keskin | 1,054.48 mi (1,697.02 km) |
| Formia to Kilimli | 942.86 mi (1,517.38 km) |
| Formia to Kilis | 1,296.17 mi (2,085.99 km) |
| Formia to Kinik | 740.87 mi (1,192.32 km) |
| Formia to Kirikkale | 1,046.85 mi (1,684.75 km) |
| Formia to Kirkagac | 755.80 mi (1,216.35 km) |
| Formia to Kirklareli | 704.22 mi (1,133.32 km) |
| Formia to Kirsehir | 1,091.33 mi (1,756.33 km) |
| Formia to Kizilpinar | 744.40 mi (1,198.00 km) |
| Formia to Kiziltepe | 1,464.39 mi (2,356.71 km) |
| Formia to Kocaali | 895.11 mi (1,440.53 km) |
