| Issum to Chitila | 1,021.58 mi (1,644.08 km) |
| Issum to Cisnadie | 900.98 mi (1,449.99 km) |
| Issum to Cluj-Napoca | 840.07 mi (1,351.97 km) |
| Issum to Codlea | 954.25 mi (1,535.72 km) |
| Issum to Comanesti | 970.41 mi (1,561.73 km) |
| Issum to Comarnic | 978.65 mi (1,574.98 km) |
| Issum to Constanta | 1,142.66 mi (1,838.93 km) |
| Issum to Corabia | 993.80 mi (1,599.37 km) |
| Issum to Costesti | 970.99 mi (1,562.66 km) |
| Issum to Covasna | 979.30 mi (1,576.03 km) |
| Issum to Craiova | 943.04 mi (1,517.68 km) |
| Issum to Cristuru Secuiesc | 916.28 mi (1,474.61 km) |
| Issum to Cugir | 864.26 mi (1,390.89 km) |
| Issum to Cumpana | 1,141.59 mi (1,837.22 km) |
| Issum to Curtea de Arges | 944.29 mi (1,519.68 km) |
