| Portchester to Civril | 1,730.30 mi (2,784.65 km) |
| Portchester to Cizre | 2,302.28 mi (3,705.17 km) |
| Portchester to Cobanlar | 1,756.27 mi (2,826.44 km) |
| Portchester to Corlu | 1,527.98 mi (2,459.04 km) |
| Portchester to Corum | 1,857.93 mi (2,990.05 km) |
| Portchester to Cukurca | 2,367.73 mi (3,810.49 km) |
| Portchester to Cukurcayir | 2,048.92 mi (3,297.41 km) |
| Portchester to Cumayeri | 1,672.87 mi (2,692.22 km) |
| Portchester to Cumra | 1,889.30 mi (3,040.53 km) |
| Portchester to Cungus | 2,139.69 mi (3,443.50 km) |
| Portchester to Dargecit | 2,273.07 mi (3,658.15 km) |
| Portchester to Davutlar | 1,656.20 mi (2,665.40 km) |
| Portchester to Demirozu | 2,086.84 mi (3,358.45 km) |
| Portchester to Demre | 1,834.63 mi (2,952.54 km) |
| Portchester to Denizciler | 2,075.64 mi (3,340.43 km) |
