| Barstow to Karditsa | 6,678.14 mi (10,747.43 km) |
| Barstow to Kastoria | 6,592.76 mi (10,610.02 km) |
| Barstow to Katerini | 6,642.44 mi (10,689.98 km) |
| Barstow to Keratsini | 6,808.90 mi (10,957.86 km) |
| Barstow to Kerkyra | 6,604.55 mi (10,629.00 km) |
| Barstow to Kiato | 6,781.29 mi (10,913.44 km) |
| Barstow to Kifisia | 6,807.75 mi (10,956.02 km) |
| Barstow to Kilkis | 6,610.81 mi (10,639.07 km) |
| Barstow to Komotini | 6,672.63 mi (10,738.56 km) |
| Barstow to Korinthos | 6,790.65 mi (10,928.50 km) |
| Barstow to Koropi | 6,820.16 mi (10,975.98 km) |
| Barstow to Korydallos | 6,808.88 mi (10,957.83 km) |
| Barstow to Kos | 6,976.03 mi (11,226.84 km) |
| Barstow to Kozani | 6,620.14 mi (10,654.08 km) |
| Barstow to Lagos | 6,664.31 mi (10,725.17 km) |
