| Sleaford to Chojnice | 740.50 mi (1,191.73 km) |
| Sleaford to Chojnow | 701.92 mi (1,129.63 km) |
| Sleaford to Chorzow | 847.96 mi (1,364.66 km) |
| Sleaford to Choszczno | 655.75 mi (1,055.32 km) |
| Sleaford to Chrzanow | 870.62 mi (1,401.13 km) |
| Sleaford to Ciechanow | 873.42 mi (1,405.63 km) |
| Sleaford to Ciechocinek | 796.97 mi (1,282.60 km) |
| Sleaford to Cieszyn | 848.72 mi (1,365.88 km) |
| Sleaford to Czarna Bialostocka | 977.66 mi (1,573.39 km) |
| Sleaford to Czarnkow | 705.27 mi (1,135.02 km) |
| Sleaford to Czechowice-Dziedzice | 859.86 mi (1,383.81 km) |
| Sleaford to Czeladz | 852.69 mi (1,372.28 km) |
| Sleaford to Czersk Pomorski | 757.41 mi (1,218.94 km) |
| Sleaford to Czestochowa | 843.60 mi (1,357.64 km) |
| Sleaford to Czluchow | 733.16 mi (1,179.91 km) |
