| Gebze to Castrovillari | 699.87 mi (1,126.34 km) |
| Gebze to Catania | 800.56 mi (1,288.37 km) |
| Gebze to Catanzaro | 692.61 mi (1,114.65 km) |
| Gebze to Cattolica | 878.23 mi (1,413.38 km) |
| Gebze to Cava de' Tirreni | 770.30 mi (1,239.68 km) |
| Gebze to Cavallino | 590.21 mi (949.85 km) |
| Gebze to Cavarzere | 924.83 mi (1,488.36 km) |
| Gebze to Cave | 857.91 mi (1,380.67 km) |
| Gebze to Cavriago | 993.49 mi (1,598.87 km) |
| Gebze to Cavriglia | 936.38 mi (1,506.95 km) |
| Gebze to Cazzago San Martino | 1,028.89 mi (1,655.84 km) |
| Gebze to Ceccano | 837.66 mi (1,348.08 km) |
| Gebze to Cecina | 983.64 mi (1,583.02 km) |
| Gebze to Cefalu | 843.60 mi (1,357.65 km) |
| Gebze to Ceglie Messapico | 624.46 mi (1,004.97 km) |
