| Didcot to Civril | 1,752.20 mi (2,819.90 km) |
| Didcot to Cizre | 2,314.27 mi (3,724.45 km) |
| Didcot to Cobanlar | 1,776.52 mi (2,859.03 km) |
| Didcot to Corlu | 1,547.16 mi (2,489.91 km) |
| Didcot to Corum | 1,871.40 mi (3,011.72 km) |
| Didcot to Cukurca | 2,378.67 mi (3,828.11 km) |
| Didcot to Cukurcayir | 2,057.79 mi (3,311.69 km) |
| Didcot to Cumayeri | 1,689.43 mi (2,718.88 km) |
| Didcot to Cumra | 1,909.26 mi (3,072.65 km) |
| Didcot to Cungus | 2,152.91 mi (3,464.77 km) |
| Didcot to Dargecit | 2,285.16 mi (3,677.60 km) |
| Didcot to Davutlar | 1,681.50 mi (2,706.11 km) |
| Didcot to Demirozu | 2,096.79 mi (3,374.46 km) |
| Didcot to Demre | 1,859.16 mi (2,992.04 km) |
| Didcot to Denizciler | 2,093.65 mi (3,369.40 km) |
