| Longyearbyen to Cernavoda | 2,364.87 mi (3,805.90 km) |
| Longyearbyen to Chitila | 2,345.87 mi (3,775.31 km) |
| Longyearbyen to Cisnadie | 2,257.36 mi (3,632.87 km) |
| Longyearbyen to Cluj-Napoca | 2,183.16 mi (3,513.46 km) |
| Longyearbyen to Codlea | 2,262.21 mi (3,640.68 km) |
| Longyearbyen to Comanesti | 2,214.99 mi (3,564.68 km) |
| Longyearbyen to Comarnic | 2,293.55 mi (3,691.11 km) |
| Longyearbyen to Constanta | 2,379.04 mi (3,828.70 km) |
| Longyearbyen to Corabia | 2,392.10 mi (3,849.72 km) |
| Longyearbyen to Costesti | 2,331.36 mi (3,751.96 km) |
| Longyearbyen to Covasna | 2,254.10 mi (3,627.63 km) |
| Longyearbyen to Craiova | 2,351.66 mi (3,784.63 km) |
| Longyearbyen to Cristuru Secuiesc | 2,219.95 mi (3,572.67 km) |
| Longyearbyen to Cugir | 2,246.30 mi (3,615.08 km) |
| Longyearbyen to Cumpana | 2,382.44 mi (3,834.17 km) |
