| Sulmona to Chojnow | 643.96 mi (1,036.35 km) |
| Sulmona to Chorzow | 618.39 mi (995.21 km) |
| Sulmona to Choszczno | 771.31 mi (1,241.31 km) |
| Sulmona to Chrzanow | 616.74 mi (992.54 km) |
| Sulmona to Ciechanow | 809.65 mi (1,303.01 km) |
| Sulmona to Ciechocinek | 781.81 mi (1,258.20 km) |
| Sulmona to Cieszyn | 578.00 mi (930.19 km) |
| Sulmona to Czarna Bialostocka | 889.31 mi (1,431.21 km) |
| Sulmona to Czarnkow | 759.74 mi (1,222.68 km) |
| Sulmona to Czechowice-Dziedzice | 595.31 mi (958.06 km) |
| Sulmona to Czeladz | 622.96 mi (1,002.56 km) |
| Sulmona to Czersk Pomorski | 832.50 mi (1,339.78 km) |
| Sulmona to Czestochowa | 652.87 mi (1,050.70 km) |
| Sulmona to Czluchow | 818.21 mi (1,316.79 km) |
| Sulmona to Dabrowa Gornicza | 624.19 mi (1,004.53 km) |
