| Royston to Civril | 1,714.14 mi (2,758.65 km) |
| Royston to Cizre | 2,267.42 mi (3,649.06 km) |
| Royston to Cobanlar | 1,736.86 mi (2,795.21 km) |
| Royston to Corlu | 1,506.70 mi (2,424.81 km) |
| Royston to Corum | 1,825.88 mi (2,938.47 km) |
| Royston to Cukurca | 2,331.04 mi (3,751.45 km) |
| Royston to Cukurcayir | 2,008.82 mi (3,232.88 km) |
| Royston to Cumayeri | 1,646.55 mi (2,649.87 km) |
| Royston to Cumra | 1,869.24 mi (3,008.24 km) |
| Royston to Cungus | 2,107.05 mi (3,390.97 km) |
| Royston to Dargecit | 2,238.40 mi (3,602.36 km) |
| Royston to Davutlar | 1,646.95 mi (2,650.51 km) |
| Royston to Demirozu | 2,048.55 mi (3,296.83 km) |
| Royston to Demre | 1,823.68 mi (2,934.92 km) |
| Royston to Denizciler | 2,051.76 mi (3,301.98 km) |
