| Upton to Glyka Nera | 1,662.67 mi (2,675.80 km) |
| Upton to Grevena | 1,468.27 mi (2,362.96 km) |
| Upton to Ialysos | 1,901.58 mi (3,060.30 km) |
| Upton to Ilion | 1,655.16 mi (2,663.73 km) |
| Upton to Ilioupoli | 1,662.15 mi (2,674.97 km) |
| Upton to Ioannina | 1,469.14 mi (2,364.35 km) |
| Upton to Irakleio | 1,848.66 mi (2,975.13 km) |
| Upton to Irakleio | 1,656.71 mi (2,666.21 km) |
| Upton to Kaisariani | 1,660.63 mi (2,672.53 km) |
| Upton to Kalamaria | 1,499.36 mi (2,412.98 km) |
| Upton to Kalamata | 1,651.60 mi (2,657.99 km) |
| Upton to Kallithea | 1,659.48 mi (2,670.67 km) |
| Upton to Kalymnos | 1,828.94 mi (2,943.39 km) |
| Upton to Kalyvia Thorikou | 1,673.34 mi (2,692.98 km) |
| Upton to Kamatero | 1,654.23 mi (2,662.23 km) |
