| Upper Montclair to Karditsa | 4,792.33 mi (7,712.51 km) |
| Upper Montclair to Kastoria | 4,717.63 mi (7,592.30 km) |
| Upper Montclair to Katerini | 4,780.22 mi (7,693.02 km) |
| Upper Montclair to Keratsini | 4,923.82 mi (7,924.12 km) |
| Upper Montclair to Kerkyra | 4,695.83 mi (7,557.20 km) |
| Upper Montclair to Kiato | 4,884.51 mi (7,860.86 km) |
| Upper Montclair to Kifisia | 4,927.50 mi (7,930.05 km) |
| Upper Montclair to Kilkis | 4,766.24 mi (7,670.52 km) |
| Upper Montclair to Komotini | 4,867.42 mi (7,833.35 km) |
| Upper Montclair to Korinthos | 4,895.21 mi (7,878.08 km) |
| Upper Montclair to Koropi | 4,937.70 mi (7,946.46 km) |
| Upper Montclair to Korydallos | 4,924.55 mi (7,925.30 km) |
| Upper Montclair to Kos | 5,127.02 mi (8,251.13 km) |
| Upper Montclair to Kozani | 4,748.42 mi (7,641.85 km) |
| Upper Montclair to Lagos | 4,852.65 mi (7,809.59 km) |
