| Gloucester City to Karditsa | 4,869.60 mi (7,836.87 km) |
| Gloucester City to Kastoria | 4,795.21 mi (7,717.14 km) |
| Gloucester City to Katerini | 4,857.96 mi (7,818.12 km) |
| Gloucester City to Keratsini | 5,000.94 mi (8,048.23 km) |
| Gloucester City to Kerkyra | 4,772.76 mi (7,681.01 km) |
| Gloucester City to Kiato | 4,961.44 mi (7,984.66 km) |
| Gloucester City to Kifisia | 5,004.71 mi (8,054.30 km) |
| Gloucester City to Kilkis | 4,844.31 mi (7,796.16 km) |
| Gloucester City to Komotini | 4,946.01 mi (7,959.83 km) |
| Gloucester City to Korinthos | 4,972.16 mi (8,001.91 km) |
| Gloucester City to Koropi | 5,014.85 mi (8,070.62 km) |
| Gloucester City to Korydallos | 5,001.68 mi (8,049.43 km) |
| Gloucester City to Kos | 5,204.56 mi (8,375.93 km) |
| Gloucester City to Kozani | 4,826.02 mi (7,766.73 km) |
| Gloucester City to Lagos | 4,931.16 mi (7,935.94 km) |
