| Efringen-Kirchen to Kikinda | 622.10 mi (1,001.17 km) |
| Efringen-Kirchen to Kladovo | 749.08 mi (1,205.53 km) |
| Efringen-Kirchen to Knic | 683.17 mi (1,099.46 km) |
| Efringen-Kirchen to Knjazevac | 772.66 mi (1,243.47 km) |
| Efringen-Kirchen to Koceljeva | 625.92 mi (1,007.31 km) |
| Efringen-Kirchen to Kosjeric | 645.12 mi (1,038.23 km) |
| Efringen-Kirchen to Kovacica | 645.72 mi (1,039.18 km) |
| Efringen-Kirchen to Kovin | 670.53 mi (1,079.12 km) |
| Efringen-Kirchen to Kragujevac | 690.09 mi (1,110.59 km) |
| Efringen-Kirchen to Kraljevo | 687.98 mi (1,107.20 km) |
| Efringen-Kirchen to Krupanj | 609.39 mi (980.72 km) |
| Efringen-Kirchen to Krusevac | 720.79 mi (1,160.00 km) |
| Efringen-Kirchen to Kucevo | 709.40 mi (1,141.67 km) |
| Efringen-Kirchen to Kula | 584.68 mi (940.95 km) |
| Efringen-Kirchen to Kursumlija | 732.95 mi (1,179.56 km) |
