| Sumter to Celano | 4,879.54 mi (7,852.86 km) |
| Sumter to Cento | 4,693.66 mi (7,553.71 km) |
| Sumter to Cepagatti | 4,893.05 mi (7,874.61 km) |
| Sumter to Ceprano | 4,895.52 mi (7,878.58 km) |
| Sumter to Cercola | 4,956.34 mi (7,976.46 km) |
| Sumter to Cerea | 4,676.40 mi (7,525.94 km) |
| Sumter to Cerese | 4,660.56 mi (7,500.44 km) |
| Sumter to Cerignola | 5,012.65 mi (8,067.08 km) |
| Sumter to Cermenate | 4,568.22 mi (7,351.83 km) |
| Sumter to Cernusco sul Naviglio | 4,584.52 mi (7,378.07 km) |
| Sumter to Cerreto Guidi | 4,705.83 mi (7,573.30 km) |
| Sumter to Cerro Maggiore | 4,565.28 mi (7,347.10 km) |
| Sumter to Certaldo | 4,719.67 mi (7,595.58 km) |
| Sumter to Cerveteri | 4,816.52 mi (7,751.43 km) |
| Sumter to Cervia | 4,755.63 mi (7,653.45 km) |
