| Sumter to Brezovica | 4,788.30 mi (7,706.03 km) |
| Sumter to Cankova | 4,832.63 mi (7,777.37 km) |
| Sumter to Celje | 4,817.18 mi (7,752.51 km) |
| Sumter to Cerklje na Gorenjskem | 4,783.80 mi (7,698.78 km) |
| Sumter to Cerknica | 4,793.02 mi (7,713.63 km) |
| Sumter to Cerkno | 4,766.76 mi (7,671.36 km) |
| Sumter to Cerkvenjak | 4,834.58 mi (7,780.51 km) |
| Sumter to Cirkulane | 4,844.10 mi (7,795.83 km) |
| Sumter to Crensovci | 4,848.90 mi (7,803.56 km) |
| Sumter to Crna na Koroskem | 4,791.96 mi (7,711.91 km) |
| Sumter to Crnomelj | 4,835.72 mi (7,782.34 km) |
| Sumter to Destrnik | 4,834.41 mi (7,780.22 km) |
| Sumter to Divaca | 4,780.18 mi (7,692.95 km) |
| Sumter to Dobje | 4,825.78 mi (7,766.34 km) |
| Sumter to Dobrna | 4,812.23 mi (7,744.53 km) |
