| Castel Gandolfo to Argostoli | 482.59 mi (776.65 km) |
| Castel Gandolfo to Argyroupoli | 645.47 mi (1,038.78 km) |
| Castel Gandolfo to Arta | 472.89 mi (761.04 km) |
| Castel Gandolfo to Artemida | 655.44 mi (1,054.83 km) |
| Castel Gandolfo to Aspropyrgos | 632.10 mi (1,017.27 km) |
| Castel Gandolfo to Athens | 641.72 mi (1,032.74 km) |
| Castel Gandolfo to Chaidari | 636.91 mi (1,025.01 km) |
| Castel Gandolfo to Chalandri | 644.17 mi (1,036.69 km) |
| Castel Gandolfo to Chalkida | 620.67 mi (998.88 km) |
| Castel Gandolfo to Chania | 748.33 mi (1,204.32 km) |
| Castel Gandolfo to Chios | 749.34 mi (1,205.94 km) |
| Castel Gandolfo to Cholargos | 644.70 mi (1,037.54 km) |
| Castel Gandolfo to Chrysoupoli | 626.47 mi (1,008.20 km) |
| Castel Gandolfo to Dafni | 643.06 mi (1,034.90 km) |
| Castel Gandolfo to Diavata | 535.15 mi (861.24 km) |
